Bathed in first hot spring.

Complete the game on Nightmare difficulty.

Finish the game with a clear time of under 5:00:00.

The water's rising, but we'll get out of this without a scratch. (Ch. 5)

I'm not taking any chances, this bus can't take much more damage. (Ch. 12)

Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)

Have they lost their minds? Better get past them without a fight. (Ch.2)

Fully upgrade all of Sebastian's attributes.

Completely upgrade three weapons.

Open up all the lockers in the save room.

Kill 5 enemies with a torch.

Finish the game without upgrading any skills with green gel.