How to earn Diamonds in Ninja Is Coming
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Diamond is the premium currency, used for ninja draws, buying Energy/BP, changing attributes, joining events and more. You can earn Diamonds for free in these ways:
- Level gifts: reach the level milestones in the Gift menu to receive Diamonds.

- Daily login: log in consecutively to claim the daily gift, with bigger rewards for more days.
- Daily missions: complete them to receive rewards.
- Scratch card: 1 free try every day, and further tries cost 20 Diamonds. Reveal 3 matching tiles to win.

- Opening Keys: each Key type has its own treasure pool; tap "Treasure" to see the possible rewards, including Diamonds.

- Ultimate Trial: the daily ranking by best stage gives Gold, Diamonds and items.

- Beast Assault (Boss): the final blow and the top damage dealers get gifts by Mail, which may include Diamonds.

- Turnplate: landing on the Grand Prize wins all accumulated Diamonds. However it is a Diamond-spending event, so think carefully before playing.
- Lucky Cat: invest Diamonds and get 110% to 130% back on a win, but you may lose on a loss, so play within your means.
- Top up: top up to receive Diamonds and raise your VIP.
