Obtain all “Kami” medals in “Nightfall”

Kill 4 or more enemies at once with the Explosive Kunai

Obtain all “Oni” medals in “Nightfall”

Complete Nightfall: Chapter III

Kill the Alchemist's messenger

Kill two enemies at once with the help of Twin Shadow (Single Player)

Obtain all trophies

Find all Scrolls.

Use 'Shinen' to swallow 3 guards at the same time.

Use an explosive light to kill a guard.

Summon 100 shadows.

Trigger caution mode on the same guard 3 times.

Concatenate multiple stealth kills.