Kill 6 Shinobi with a perfect-parry

Defeat Ahriman the Destroyer

Achieved Return to the Colony ending.

Enhanced Blood Edge to its max.

Complete the Trial by Water.

Strike three or more enemies with Tidal attacks while using unlimited ammunition following a Quick Refill.

Acquire and master all Leviathan and Ultima abilities.

Tamed the tides.

Restore the flow of time.

Enter Mysidia.

Finished the Prologue.

Defeated your first Monokuma.

Defeated Karakuri.