183Challenge Profile / EUW
Yoymick#1710
Latest Riot challenge data cached by Lolytics.
Updated 1d ago
13,285
Challenge crystal
Platinum
Overall challenge tier
275
275 cached rows
May 12
Riot payload refresh
Challenge Progress
Earned and progressed challenges
275 cached challenges
Dancing Shoes
Top 0% | 682
Dodge five skillshots within eight seconds
Global Defense System
#1 | Top 0.1% | 531
#1
Ladder placement
Gets The Wurm
#53,319 | Top 0.2% | 324
#53,319
Ladder placement
Double Down
Top 0% | 170
Get double kills
The Wall
Top 0% | 132
Take 10k damage in a fight and survive
I've Got You!
Top 0% | 123
Save an ally with a heal or shield
Darkness is Everywhere
#-75,598 | Top 1.4% | 7,290
#1
Ladder placement
Farm Champs not Camps
#11,199 | Top 0.1% | 1,202
#11,199
Ladder placement
Ward Ward-en
#-70,481 | Top 1.3% | 713
#1
Ladder placement
Incredible Value
#-83,623 | Top 1.6% | 252
#1
Ladder placement
Clean Clears
#24,829 | Top 0.1% | 177
#24,829
Ladder placement
It Has "Ultimate" In the Name!
#-93,441 | Top 1.8% | 53
#1
Ladder placement
Get Paid, and Get Out
#-182,130 | Top 4.2% | 19,265,721
#1
Ladder placement
Ability Abuse
#-331,165 | Top 4.9% | 390,327
#1
Ladder placement
Everyone Pays!
#-255,248 | Top 3.8% | 307,786
#1
Ladder placement
Do These Things Have Souls?
#-360,841 | Top 5.3% | 135,616
#1
Ladder placement
A Honeyfruit a Day: 2024 Split 3
Top 9.6% | 114,547
Restore health through map-based healing sources
Immediate Immobilization
#-302,436 | Top 4.5% | 28,447
#1
Ladder placement
Team Takedown
#-304,728 | Top 4.5% | 17,627
#1
Ladder placement
Hard Day's Killin'
#-208,315 | Top 3.1% | 10,356
#1
Ladder placement
Stun n Gun
#-181,718 | Top 2.7% | 8,117
#1
Ladder placement
The Jukes!
#-984,831 | Top 14.6% | 4,890
#1
Ladder placement
Go Where You Please
#-251,877 | Top 3.7% | 4,770
#1
Ladder placement
Goodbye to the Darkness!
#-191,690 | Top 2.8% | 4,191
#1
Ladder placement
Scuttle Along Now
#-65,411 | Top 1% | 3,873
#1
Ladder placement
Dinner's Ready
#-384,879 | Top 5.7% | 3,751
#1
Ladder placement
Insec-urity Breach
#-266,485 | Top 3.9% | 3,389
#1
Ladder placement
Turret Toppler
#-410,758 | Top 6.1% | 2,868
#1
Ladder placement
Lizard Hunting
#-157,775 | Top 2.3% | 2,387
#1
Ladder placement
No Quarter
#-267,471 | Top 3.9% | 2,157
#1
Ladder placement
Buff Burglar
#11,707 | Top 0.1% | 2,122
#11,707
Ladder placement
Master of the Rift
#-283,093 | Top 5.7% | 1,536
#1
Ladder placement
Making the Dream Work
#-379,565 | Top 5.6% | 1,323
#1
Ladder placement
Killing Spree Spree
#-374,196 | Top 5.5% | 1,213
#1
Ladder placement
Multikill Madness
#-244,271 | Top 3.6% | 1,018
#1
Ladder placement
The Brush Has Eyes
#-249,115 | Top 3.7% | 872
#1
Ladder placement
Damage Dispenser
#-317,091 | Top 4.7% | 728
#1
Ladder placement
Movin' On Up
#-246,114 | Top 3.6% | 672
#1
Ladder placement
Champion
Top 10.5% | 660
Earn progress from challenges in the Champion group
Wurm Fishing
#-351,754 | Top 5.2% | 573
#1
Ladder placement
Golden
Top 3.3% | 534
Have more than 450 gold per minute in a game
Jungle Diff
#-114,870 | Top 3.3% | 532
#1
Ladder placement
Target Secured
#-105,698 | Top 1.6% | 527
#1
Ladder placement
Arena Brawler
Top 3.7% | 525
Deal the most damage to champions in the game
A Drake and a Hard Place
Top 2.1% | 440
Kill opponents with help from an Epic monster
Always On Time
#63,228 | Top 0.2% | 439
#63,228
Ladder placement
KDA Player
#-171,966 | Top 2.5% | 436
#1
Ladder placement
Top Performer
#-327,232 | Top 4.8% | 431
#1
Ladder placement
Steadfast
Top 5.9% | 400
Earn progress from challenges in the Steadfast group
Baron Power Play
#-307,158 | Top 4.6% | 380
#1
Ladder placement
Dragon On Too Long
#56,231 | Top 0.2% | 332
#56,231
Ladder placement
Flawless Ace
#646,077 | Top 2.5% | 300
#646,077
Ladder placement
On Another Level
#-239,427 | Top 3.5% | 264
#1
Ladder placement
Target Selection
#-313,199 | Top 4.6% | 209
#1
Ladder placement
Bloodcrazed
Top 3.3% | 175
Get First Bloods
No Hiding: 2024 Split 3
Top 4.6% | 175
Kill enemies near one of their own turrets
Spice of Life
Top 10.4% | 172
Obtain <em>champions</em>
Soul Sweep
#-353,040 | Top 5.2% | 167
#1
Ladder placement
Shoddy Construction
#-333,463 | Top 4.9% | 158
#1
Ladder placement
Not Even a Scratch
#-284,409 | Top 4.2% | 141
#1
Ladder placement
DPS Threat
#-1,075,583 | Top 16.1% | 138
#1
Ladder placement
Uninhibited
Top 4.8% | 99
Win after losing an inhibitor
Incandescent
Top 10.8% | 75
Obtain <em>mage champions</em>
The Fire Rises: 2024 Split 2
Top 9.9% | 73
Collect Infernal Cinders
No Capstone Unturned
Top 7.5% | 53
Reach Gold tier on Capstones
Invulnerable
Top 12.1% | 46
Obtain <em>tank champions</em>
Invisible
Top 9.8% | 46
Obtain <em>assassin champions</em>
Inspiring
Top 14.7% | 43
Obtain <em>support champions</em>
Outplaying the Odds
Top 2.9% | 42
42
Ladder threshold
Champion Ocean: 2024 Split 3
Top 4.1% | 41
Win games with <em>different champions</em>
Nice Try: 2024 Split 2
Top 9.8% | 36
Kill enemies under your own turret
Ingenious
Top 10.5% | 33
Obtain <em>marksman champions</em>
Global Defense System: 2024 Split 3
Top 8.4% | 28
Have a control ward in enemy jungle for 65+% of the game
Open Victory
Top 11.2% | 25
Win with an open nexus
Plant Tactics
#641,397 | Top 2.4% | 25
#641,397
Ladder placement
Comeback Kids
Top 5.7% | 22
Win after being down 15 kills
Lightning Round
#-416,765 | Top 6.3% | 16
#1
Ladder placement
Lane Domination: 2024 Split 3
Top 6.5% | 15
Be up 20% gold and XP at 14min
Nowhere to Hide
#-121,359 | Top 1.8% | 14
#1
Ladder placement
Prodigy
Top 7.2% | 13
Become Legendary within 15 minutes
Hold That Pose
#-231,297 | Top 3.4% | 12
#1
Ladder placement
Flawless Victory
Top 10.3% | 2
Win a Perfect Game
One-Trick
Top 7% | 462,150
Gain Mastery Points on a single champion
Dine In
Top 0.9% | 66,043
Kill jungle monsters in your jungle
Above-Average Assistance
Top 6.7% | 12,584
Get Assists
EXPERTISE
Top 4.4% | 3,895
EXPERTISE capstone
VETERANCY
Top 4.6% | 3,105
VETERANCY capstone
Medal of Honor
Top 6.7% | 2,525
Earn progress from challenges in the Executioner, Commando, Resourceful, and Mystic groups
Brush Fanatic
Top 7.3% | 1,895
Get takedowns with an ally after hiding in brush for 3+s
Never Tell Me the Odds
Top 5.7% | 1,779
Get kills while outnumbered
Might
Top 3.5% | 1,510
Earn progress from challenges in the Flair, Behemoth, Slayer, and Predator groups
Captain
Top 5.7% | 1,285
Earn progress from challenges in the Strategy, Demolition, Synergy, and Team Spirit groups
Determination
Top 9.5% | 1,230
Earn progress from challenges in the Monster Hunter, Steadfast, and Symbiosis groups
Ascendant
Top 5.9% | 1,110
Earn progress from challenges in the Domination, Unrivaled, and Perfection groups
Fun with Friends
Top 4.5% | 1,069
Play games with a group
Nice Try
Top 7.2% | 894
Kill enemies under your own turret
Cleverness and Creativity
Top 5.4% | 820
Earn progress from challenges in the Style, Innovation, and Tactician groups
Commando
Top 5.5% | 740
Earn progress from challenges in the Commando group
Executioner
Top 7.1% | 720
Earn progress from challenges in the Executioner group
Resourceful
Top 7.5% | 600
Earn progress from challenges in the Resourceful group
2024 Seasonal: Split 3
Top 6.6% | 585
Earn points from challenges in the 2024 Seasonal: Split 3 group
Predator
Top 1.7% | 540
Earn progress from challenges in the Predator group
Monster Hunter
Top 8.2% | 420
Earn progress from challenges in the Monster Hunter group
Shell Collecting
Top 3.4% | 412
Take down Rift Heralds
Strategy
Top 8.2% | 405
Earn progress from challenges in the Strategy group
Innovation
Top 5.7% | 385
Earn progress from challenges in the Innovation group
Mastermind
Top 4.6% | 380
Earn progress from challenges in the Cornerstone and Visionary groups
Synergy
Top 6.3% | 370
Earn progress from challenges in the Synergy group
Splitpush Strategy
Top 3.6% | 363
Take side lane turrets solo without dying
Domination
Top 6.7% | 360
Earn progress from challenges in the Domination group
Magnum Opus
Top 2.1% | 315
Earn progress from challenges in the Magnum Opus group
Slayer
Top 5.3% | 300
Earn progress from challenges in the Slayer group
Darkness Distributer
Top 2.4% | 293
Take down the most wards in the game
Perfection
Top 7.1% | 285
Earn progress from challenges in the Perfection group
Unrivaled
Top 5.1% | 285
Earn progress from challenges in the Unrivaled group
Adept
Top 6.6% | 280
Earn progress from challenges in the Adept group
Overachiever
Top 4.4% | 250
Earn progress from challenges in the Overachiever group
Alcove Gaming
Top 5% | 247
Take down opponents in the alcove
Visionary
Top 8.2% | 240
Earn progress from challenges in the Visionary group
Mystic
Top 8% | 225
Earn progress from challenges in the Mystic group
Behemoth
Top 5.6% | 215
Earn progress from challenges in the Behemoth group
Team Spirit
Top 5.7% | 210
Earn progress from challenges in the Team Spirit group
Symbiosis
Top 9.7% | 190
Earn progress from challenges in the Symbiosis group
Tactician
Top 5.5% | 175
Earn progress from challenges in the Tactician group
Aggressive Positioning
Top 5% | 115
Get multikills after flashing towards an enemy
Lane Domination
Top 6.9% | 113
Be up 20% gold and XP at 14min
Shattered Plates
Top 6% | 106
Destroy turrets before plates fall
Legendary Legend
Top 4.9% | 97
Become Legendary
The Most Dangerous Game
Top 1% | 92
As jungler, kill the enemy jungler in their jungle before 10 minutes
Entitled
Top 4.8% | 80
Earn titles from challenges
Lane Command
Top 7.2% | 73
Be up 20% gold and XP at 7min
Indomitable
Top 13.8% | 60
Obtain <em>fighter champions</em>
Nullify the Void: 2024 Split 2
Top 7.6% | 46
Takedown Void Monsters
Lethal Efficiency
Top 5.2% | 43
Kill 80 minions within 10 minutes
Death Incarnate
Top 3.7% | 38
Take down 12 champions within 15 minutes
Meat Shield
Top 2.9% | 27
Win the game taking at least 35% of team damage
Unkillable Demon King
Top 7.4% | 23
Win games without dying and at least 30% kill participation
Right Under Their Noses
Top 6% | 16
Recall while unseen by a nearby champion
No Loyalty Among Dragons
Top 8.1% | 12
Take Elder Dragons when enemy has the Dragon Soul
Immortal
Top 7.3% | 8
Win a game with more than eight kills without dying
Dragon's Fury
Top 6.4% | 5
Get multikills with Elder Dragon
Victorious Regalia
Top 8.7% | 4
Collect <em>victorious champion skins</em>
One Stone: 2024 Split 3
Top 5.5% | 4
Kill two players with the same ability cast
Can of Wurms
Top 21.4% | 3
Kill three Barons in a single game
Ladder Climber
Top 2.1% | 3 / 9
Earn rank in Solo/Duo Queue
Draconic Extinction
Top 18.9% | 1
Kill two Elder Dragons in a single game
Wise Master
Top 15.1% | 2,116,151
Earn Mastery Points
Dine Out
Top 2.9% | 7,870
Kill jungle monsters in the enemy jungle
Little Inanimate Spies
Top 11% | 6,384
Place Stealth Wards
TEAMWORK
Top 8% | 3,330
TEAMWORK capstone
Solo Bolo
Top 8% | 1,840
Get solo kills
IMAGINATION
Top 9.3% | 1,645
IMAGINATION capstone
COLLECTION
Top 12% | 1,310
COLLECTION capstone
Give 'em Shell, Shelly
Top 9.3% | 1,255
Take turrets with Rift Herald
No Hiding
Top 7.8% | 729
Kill enemies near one of their turrets
ARAM Authority
Top 9.9% | 725
Earn progress from challenges in the ARAM Warrior, ARAM Finesse, and ARAM Champion groups
Harmony
Top 4.2% | 480
Earn progress from challenges in the Harmony group
2024 Seasonal: Split 2
Top 10.8% | 345
Earn progress from challenges in the 2024 Seasonal: Split 2 group
Power Pair
Top 3.4% | 285
Win with a premade party of two in a ranked queue
ARAM Warrior
Top 14% | 280
Earn progress from challenges in the ARAM Warrior group
Flair
Top 14.4% | 235
Earn progress from challenges in the Flair group
ARAM Champion
Top 7.7% | 215
Earn progress from challenges in the ARAM Champion group
Ace
Top 6% | 205
Earn progress from challenges in the Ace group
Been Here a While
Top 14.9% | 183
Increase your summoner level
Crab Wrangler
Top 2.3% | 115
Take both of the first scuttle crab spawns
Challenges are Forever
Top 7.4% | 112
Reach Diamond tier on different challenges
Synchronicity
Top 4.9% | 110
Earn progress from challenges in the Synchronicity group
Style
Top 12.7% | 100
Earn progress from challenges in the Style group
Stun n Gun: 2024 Split 2
Top 9.9% | 99
Immobilize then takedown an enemy with an ally
Pain Prescriber
Top 9.3% | 92
Deal the most damage to champions in the game
Demolition
Top 5.6% | 80
Earn progress from challenges in the Demolition group
Masterful Performance
Top 4% | 79
Reach Masters tier on different challenges
Level 1 Fiesta
Top 10.5% | 69
Get takedowns before jungle camps spawn
Player Diff
Top 1.4% | 66
Win games queued as Fill
Blink and You'll Miss It
Top 6.5% | 52
Kill champions from full health in 1.5 seconds
Three Buffed
Top 2.4% | 52
Take 3 of the first 4 buff camps
Clutch Steal
Top 5.4% | 32
Steal Epic monsters
Flame Horizon
Top 5.4% | 25
Win games with 100+ more CS than role opponent
One Stone
Top 8.3% | 23
Kill two players with one ability cast
All Random All Flawless
Top 8.3% | 21
Earn S grades or higher
TY for Leash
Top 5.5% | 20
Steal an Epic Monster without Smite
Ward Hunter
Top 5.1% | 11
Destroy 10 wards before 20 minutes
Forever Triumphant
Top 4.8% | 6
End season splits ranked Gold or higher
Who Needs 'Em
Top 29.8% | 6
Win a game despite an AFK teammate
ARAM Eradication
Top 7.8% | 4
Get Pentakills
We Protec
Top 2.4% | 4
Win with a 5-stack of 3+ <em>champs with heals or shields.</em>
Get Over Here
Top 3.7% | 4
Win with a 5-stack with 3+ <em>champs with displacements</em>
Team Diff
Top 9.6% | 3
Score aces between minion spawn and 15 minutes
Double Ace
Top 9.7% | 3
Have both teams be aced in the same fight
Overwhelming Presence
Top 22% | 2
As a laner, in 1 game, get kills outside your lane before 10 min
Field Medic
Top 12.9% | 241,745 / 450,000
Effectively heal or shield allies
Free Money
Top 11.9% | 15,941 / 17,000
Kill minions
It was a... Near-Hit
Top 11.6% | 15,448 / 21,600
Dodge skillshots
Another Day, Another Bullseye
Top 11.1% | 11,962 / 15,000
Hit skillshots on champions
Farm Champs Not Minions
Top 10.2% | 8,636 / 12,500
Get Takedowns
Alliance
Top 2.9% | 670 / 1,030
Earn progress from challenges in the Clash, Synchronicity, Harmony, and Globetrotter groups
Sage
Top 9.2% | 495 / 560
Earn progress from challenges in the Guru, Virtuoso, and Ace groups
Snow Day
Top 11.9% | 403 / 600
Hit snowballs on champions
Guru
Top 13.1% | 155 / 160
Earn progress from challenges in the Guru group
NA-RAM
Top 10.8% | 141 / 150
Win games
ARAM Finesse
Top 12.4% | 125 / 140
Earn progress from challenges in the ARAM Finesse group
Mid Diff
Top 6.1% | 98 / 100
Win games as Mid
Icon of the Rift
Top 20.5% | 83 / 100
Obtain Summoner Icons
Jack of All Champs
Top 3.8% | 82 / 100
Win games with <em>different champions</em>
Emotive
Top 19.1% | 60 / 80
Obtain emotes
Not Even Close
Top 40.4% | 60
Survive champion combat on single digit health
Cornerstone
Top 8.8% | 55 / 80
Earn progress from challenges in the Cornerstone group
Bad Medicine
Top 12.1% | 40 / 45
Kill enemies recently healed by a health pack
Leading by Example
Top 6.7% | 39 / 90
Get an assist streak of 12+ without dying
Bouncer
Top 13.4% | 39 / 80
Get the highest crowd control score in the game
All-Seeing
Top 6.3% | 33 / 75
Have over 2 vision score per minute
Fashionista
Top 10.5% | 28 / 30
Collect chromas
Get On My Level
Top 14.4% | 26 / 30
Get takedowns after gaining an early level advantage
Support Subsidy
Top 11% | 25 / 75
Fully complete your support quest in 14 minutes
Invincible
Top 4.2% | 15 / 30
Win without dying with <em>different champions</em>
Cream of the Crop
Top 2.4% | 12 / 15
Deal the most damage to champions in the game
Can't Miss
Top 14.7% | 10
Land 20 skillshots before seven minutes
Dedicated Master: 2024 Split 3
Top 7.1% | 10 / 15
Earn Mastery Milestones
Let's Make This Quick
Top 27.9% | 9
Destroy the enemy nexus in less than 15 minutes
Rapid Demolition
Top 9.8% | 7 / 15
Take the first turret before 5 min
ARAM Legend
Top 12.3% | 4
Go Legendary
Darkness Distributor: 2024 Split 2
Top 8.6% | 4
Takedown the most wards in a game
Solo Carry
Top 13.3% | 2
Deal 40%+ of your team's champion damage
They Just... Don't... DIE!
Top 7.1% | 2
Win with a 5-stack of 3+ champions that <em>defy death</em>
We're Good Over Here
Top 10.2% | 2
Win with a 5-stack with 3+ <em>poke champs</em>
Whose Lane is it Anyway
Top 12.2% | 1
As a laner, get takedowns in all lanes before 10min
Variety's Overrated
Top 2.2% | 1
Win with a 5-stack of all one class
It's a Trap!
Top 1% | 1
Win with a 5-stack with 3+ <em> champs with traps</em>
Connoisseur
Top 20.8% | 145 / 150
Earn progress from challenges in the Connoisseur group
Bot Diff
Top 7.9% | 72 / 75
Win games as a Bot Carry
Top Diff
Top 8% | 68 / 75
Win games as Top
Treasure
Top 33.7% | 65 / 70
Earn progress from challenges in the Treasure group
Virtuoso
Top 10.8% | 55 / 100
Earn progress from challenges in the Virtuoso group
Arena Champion Ocean
Top 3.7% | 50 / 55
Play Arena games with <em>different champions</em>
Arena Champion
Top 4.7% | 30 / 35
Earn progress from challenges in the Arena Champion group
Fashion Forward
Top 25.9% | 26 / 30
Collect champion skins
Perfectionist
Top 6.9% | 24 / 30
Earn an S+ grade with <em>different champions</em>
All Random All Champions
Top 10% | 22 / 30
Earn an S- grade on <em>different champions</em>
Nowhere is Safe
Top 27.5% | 13
Take down champions in their fountain
Adapt to All Situations
Top 2.1% | 12 / 20
Place first in Arena games with <em>different champions</em>
Top Performer: 2024 Split 2
Top 8.4% | 10 / 11
Earn S- grade or higher
Ward Skin Collector
Top 25.7% | 7 / 10
Obtain ward skins
Ten Minute Turret
Top 4.6% | 6 / 10
Destroy the first turret in under 10 minutes
That Drip
Top 18.8% | 3 / 4
Collect many skins for a single champion
Free Ticket to Base
Top 9.5% | 2
Execute to turret before 10 min
Nashor Slasher
Top 6.6% | 2
Kill Baron Nashor solo
Captain Jack
Top 10.6% | 1
Cleanse an immobilizing effect within 0.25s
Stacks on Stacks on Stacks
Top 8.3% | 1
Fully stack Mejai's before 20 minutes
Damage Sponge
Top 17.9% | 1
In one fight, get kills while tanking all five enemies and survive
Fashionably Late
Top 8.8% | 44 / 50
Get a takedown after teleporting to a >4 champion fight
Support Diff
Top 10.1% | 30 / 50
Win games as a Support
That Was Close
Top 17.1% | 27 / 50
Save an ally with a heal or shield
Master Yourself
Top 11.4% | 17 / 30
Earn Mastery 5 on <em>different champions</em>
Master the Enemy (Legacy)
Top 10.4% | 8 / 15
Earn Mastery 7 on <em>different champions</em>
Recursive
Top 10.8% | 8 / 10
Complete collection challenges
Master the Enemy
Top 5% | 7 / 15
Earn Mastery 10 on <em>different champions</em>
Master Fighter (Legacy)
Top 5.8% | 6 / 12
Get Mastery 7 on different <em>fighters</em>
Master Fighter
Top 1.9% | 6 / 12
Get Mastery 10 on different <em>fighters</em>
Best Friends Forever
Top 3.8% | 5 / 12
Get wins with a premade of 5
Active Participant
Top 8.3% | 5 / 10
Have over 90% Kill Participation in games
Legendary Wardrobe
Top 17.3% | 3 / 7
Collect <em>legendary champion skins</em>
Master Tank (Legacy)
Top 6.9% | 3 / 5
Get Mastery 7 on different <em>tanks</em>
Master Tank
Top 2.7% | 3 / 5
Get Mastery 10 on different <em>tanks</em>
Pop Goes the Poro
Top 19.2% | 1
Cause a Poro to explode
Sparkles & Fireworks: 2024 Split 2
Top 8.6% | 13 / 15
Participate in Fistbumps in matchmade games
Fancy Garb
Top 38.4% | 9 / 10
Collect <em>epic champion skins</em>
Superior Supporting
Top 21.7% | 9 / 10
Finish your support quest faster than your opponent
Vintage Look
Top 35.8% | 3 / 10
Collect <em>legacy champion skins</em>
Go Shelly Go!
Top 28.4% | 3 / 5
Take 2 turrets with the same Rift Herald
Master Assassin
Top 10.9% | 3 / 5
Get Mastery 10 on different <em>assassins</em>
Master Assassin (Legacy)
Top 16.5% | 3 / 5
Get Mastery 7 on different <em>assassins</em>
Haute Couture
Top 14.5% | 1 / 2
Collect <em>ultimate champion skins</em>
Formal Attire
Top 20% | 1 / 3
Collect <em>mythic champion skins</em>
Master Marksman (Legacy)
Top 14% | 1 / 3
Get Mastery 7 on different <em>marksmen</em>
Pocket Picks: 2024 Split 3
Top 100% | 3
Complete a Mastery Set