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CLR CARD MASTERY
$6.39
4,8/5 Trustpilot Based on 56854 reviews
SSLSSL USETooltip Kingboost ensures secure and private transfer of the data within our system by encrypting every bit of your information. The sensitive data that you share with us is protected by SSL protocol.
VPNVPN USETooltip Even with piloted orders, your account remains completely safe. All of our boosters are thoroughly checked and will use your personal VPN server to guarantee your account stays unharmed.
Support24/7 SupportTooltip Our experienced support team is available at any time to assist you, handling everything from order recommendations to post-completion requests.
PilotedPilotedTooltip The fastest and most effortless way to complete your order. By allowing our booster to access your account, you save time while we handle the boost for you.
CheapFound cheaper? We price matchTooltip Found cheaper? We price match - If you find a better offer on another website, contact our support team - we'll beat the price and make sure you get the best deal.

Card Mastery Boost: max out your cards and cash in the rewards that come with it.

Mastering a card in Clash Royale means playing it enough to unlock its full reward track, and each mastered card hands back Gold and Badges that feed straight into your account's long-term progress. Getting there takes a lot of repetitive matches focused on specific cards, which is exactly the kind of grind most players would rather skip while still wanting the payout.

KingBoost's raiders take your account through the matches needed to fully master your selected number of cards, collecting Gold and Badges on every one along the way, plus Chests, Crowns, and any active Pass Royale level or event rewards. All you need is Arena Level 4 reached — our team handles every match until your cards are fully mastered.

YOU WILL GET

  • Selected number of cards mastered
  • Gold and Badges earned on every mastered card
  • Chest, Crown, and other match rewards
  • Pass Royale progress
  • Event rewards (if active)

ADDITIONAL OPTIONS

  • Stream - Watch your Boost completed live
  • Demo Analys - Get a written breakdown of your account's current progress
REQUIREMENTS
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  • Active Clash Royale account
  • Arena Level 4 reached
WHY KINGBOOST
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50,000+ players trust us. That number isn't luck—it's the result of years of consistent delivery, professional boosters and a support team that cares about your experience.

Here's what makes us the best at what we do:

  • Experienced boosters who know their stuff. Our team consists of players who've mastered every aspect of the game. They know the fastest routes, the most efficient strategies and every optimization technique that turns a challenging task into a perfectly smooth experience. You're not getting help from casual players, you're working with veterans who've proven themselves thousands of times.
  • Your account's safety is non-negotiable. VPN matched to your location. Play schedules that align with your hours. Zero sketchy behavior that could flag your account. We've completed thousands of orders and we know exactly how to keep you safe.
  • Price match guarantee. Found the exact same service cheaper elsewhere? Make your order and contact us - we'll match it.
  • 24/7 support. Questions before you buy? Mid-boost concerns? Our LiveChat team is available around the clock. Real people, real answers, no waiting.
  • Completion guarantee. Game crashes, unexpected delays, technical issues—whatever happens, we make it right. You're paying for results and that's what you'll get.
  • Still not sure? Check our Trustpilot reviews and see what real players are saying. Or reach out to us directly, we're happy to answer any questions before you commit.
HOW THIS BOOST WORKS
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  • If you have any questions about the chosen service, reach out to us via LiveChat. Our operators will be happy to assist you.

  • Place your order with all necessary options selected.

  • Once we receive your order, we’ll contact you on Discord to confirm details, such as your preferred start time.

  • If you selected the Piloted boost method:

    • Our professional booster will play on your account following all possible safety measures (e.g., VPN) according to the agreed schedule.

    • Please avoid logging into your account while the boost is in progress. If you’d like an update, feel free to message your booster directly on Discord or contact our support via LiveChat.

  • Once the order is complete, we’ll notify you, then you’ll be free to log in and enjoy the results. 

  • We will highly appreciate it if you leave a review on our Trustpilot page!

Start time

Up to 15 Minutes

Completion time

Flexible
Customize Your Order
Completion Method:?Selfplay: play yourself.
Piloted: we play on your account with VPN / LiveStream (for specific services).
Selfplay Remote (Cloud Tech., with Parsec): We play on your device using remote access software.
Choose Your Platform
Number of Cards (1-1)
CLR Extras
Start Priority & Completion Speed:?Optional upgrade for faster order start and completion — pick the speed that fits your needs!
Total $6.39
cashback Cashback
$0.19

GET MORE WITH DISCOUNT

from
$143.19

CLR Monthly Driving

from
$1.39

Pass Royale Leveling

from
$1.19

Clash Royale Events

Reviews on CLR CARD MASTERY
5
(24 Reviews)
  • 5 stars 24
  • 4 stars 0
  • 3 stars 0
  • 2 stars 0
  • 1 star 0
Total 

$6.39

cashback Cashback
$0.19