Let's get back to the topic. What are the requirements to load these scripts? Well you need game guardian version 101.1 and battle cats japanese v11.9.0 and a rooted environment (use emulator or parallel space).
Scripts includes the following! (You need to bypass 1x linkvertise ads per each link)
Definitions
Base - will destroy enemy base (freeze)
Units - unlocks all units
Max - level up all units to max
Cf - changes amount of cat food
Xp - changes amount of xp
Items - changes amount of battle items
Upgrades - changes amount of upgrades
Equip - enables equip button