Fast route
Do this in order
- Step 1
Complete the Ambrosia family story and collect the Ambrosia Crest.
- Step 2
Open the Crest Garden and locate an unused pedestal.
- Step 3
Place the crest; if nothing triggers, finish the family dialogue and return the following night.
Prepare before you start
Do not begin until the related system or story area is unlocked. Keep the achievement condition visible while you play, and save before seasonal or one-night attempts.