Spend the night with another character.

Connect a combo of at least 60 hits.

Acquire your first JoJolity.

Equip 1 Legendary melee weapon and 5 Legendary armor pieces.

Activate a Master ability.

Kill 10 enemies in a row without being detected.

Successfully negotiate ideal terms with Yamagata.

Treat a homeless man to a ¥20,000 bottle of booze.

Learn the Jecht shot

Light up the entire Mondstadt map (excluding the Dragonspine area).

Don't let the suspicious man out of your sight

Bypass the delta-level security lock in Mako Reactor 5.