The Battle Cats Mod All Cats Unlocked Link Exclusive -

Never draw outside of Guaranteed Uber events (usually every 2-3 weeks). For 1,500 Cat Food, you are guaranteed at least one Uber Rare, plus 10 other units. Over time, this fills your roster.

Legality & ToS

In short:

Using a modded version can lead to the corruption of your game files, causing you to lose all progress without any way to recover it through official support. the battle cats mod all cats unlocked link