Encounter CODE:CORE for the first time.

Defeat CODE:DEMON.

Defeat CODE:SERPENT.

Defeat CODE:GOLEM.

Defeat CODE:ORIGIN.

Defeat CODE:SKELETONS.

Defeat CODE:ORC.

Defeat CODE:DRAGON.

Defeat CODE:BEAST.

Defeat CODE:CORE.

Defeat all bosses with the Sword.

Defeat all bosses with the Gunner.

Defeat all bosses with the Hammer.

Defeat CODE:CORE_EX.