Just click Spawn buttons!
just spawn attackers!
Then it will automatically attack the enemies that are rushing in.
Test your luck!
When spawning an attacker, its level is randomly determined and hidden may appear!
Especially hidden has a very good ability
Luck isn't always necessary.
Hidden is spawned according to probability, but you can increase the hidden chance, and if you spawn a certain number of hiddens through probability adjustment, hidden is unconditionally spawned.
The effectiveness of the attacker can be increased through appropriate upgrades.