The BIOS is the "brain" of the PS2 console. For AetherSX2 to run BT3: Legal Acquisition
For Budokai Tenkaichi 3 , the BIOS is non-negotiable. Without it, the emulator cannot mimic the PS2’s boot sequence, and your game will crash immediately. Dragon Ball Z Budokai Tenkaichi 3 Aethersx2 Bios