booster rating 4.8 (324)
Masteri
Cookie
Roles
Midlane
Marksman
Support
About
Yo, Professional Mastery booster with any champion, any role (Best Mastery booster on BoostRoyal). Ex professional team-player, Multi Role ranked booster. EU/RU/NA | High-elo only on EU! -Stay Hydrated- .
25/h
Coach me
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booster rating 4.82
Customer reviews
324 reviews
0Orders completed0Games won0Orders in progress0%of buyers recommend0Booster since
lol
Champion Statistics
2016
2017
2018
2019
2020
2021
2022
ChampionTotal gamesKillsDeathsAssistsKDA RatioAVG MinionsWinrate
Shaco53 11.34 4.72 7.98 4.1 144.45 / game 75.47%
Vladimir46 8.5 4.5 5.83 3.18 187.91 / game 80.43%
Zac45 5.91 4.93 11.98 3.63 163.53 / game 57.78%
Kayle36 10.92 6.78 6.11 2.51 237.25 / game 77.78%
Caitlyn21 10.86 5.67 7.52 3.24 193.95 / game 90.48%
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Ranked Statistics
2016
2017
2018
2019
2020
2021
2022
Coaching duration
€25 / h
2 Hour(s)
Total amount
€50
5,000
Read reviews
Genuine customer feedbacks about Cookie
2022/11/07
4 wins in Silver II
very good
very good
2022/10/11
3 wins in Silver III
Cookie was
Cookie was positive and communicative an while he doesn't get a high kda in our few duo queue games his map control and awareness as a jungler carried our games.
2022/10/01
3 Placement matches Unranked
Solid
Solid
2022/09/28
Tier 6 to Tier 7
Very Great!
Very Great! Will come back.
2022/09/21
Tier 5 to Tier 7
Kept me
Kept me up to date and completed it within a few hours! Plus I get to watch the replays so learn a little myself.
2022/09/17
Tier 6 to Tier 7
booster was
booster was amazing, got my games done and carried every one, if you need mastery boosts, this is your booster for sure.
2022/09/14
Gold I to Platinum IV
The booster
The booster was friendly and played well, can't expect more since he did an amazing job. I recommand it !
2022/09/03
Tier 5 to Tier 7
great work
great work
2022/08/27
Tier 5 to Tier 7
Carried every
Carried every game!
2022/04/26
Tier 6 to Tier 7
Very fast
Very fast and friendly!
2022/03/14
Gold IV to Gold II
Really very
Really very patient and very persevering to finish the boost order despite the fact that the games are difficult, thank you again!
2022/03/06
Tier 4 to Tier 7
Cookie the best
Cookie the best
2022/03/06
2 Normal games
Returning client.
Returning client. Highly recommend Cookie for all your Champion Mastery boosting assistance needs. Excellent in providing in-game direction, synergy and support in-game to make sure that your KDA, KP and income are amazing. If you want to earn easy Mastery 6/7 tokens in your Normals games, consider assigning Cookie to assist.
2022/02/24
10 Placement matches Unranked
Best booster <3
Best booster <3
2022/02/24
Tier 1 to Tier 5
Best booster
Best booster
2022/02/20
Tier 3 to Tier 6
Great
Great
2022/02/07
3 wins in Silver II
Amazing and fun
Amazing and fun
2022/02/02
Tier 5 to Tier 7
Best one
Best one for me
2022/01/30
11 to 16
Super fast
Super fast finish! :)
2022/01/28
Tier 6 to Tier 7
very good
very good
2022/01/14
Tier 5 to Tier 7
great
great
2022/01/12
3 Normal games
Very string
Very string
2022/01/11
Tier 5 to Tier 6
Clean work
Clean work
2021/12/15
Tier 6 to Tier 7
Fast &
Fast & Clean