Prerequisite / trigger
No exact calendar or relationship gate is documented in the checked source; follow the active story journal and mailbox.
Primary NPC: Samael โJournal route
Objectives in order
- 1
Take Samael's letter to Kim.
- 2
Ask the witches about the blocked tree.
- 3
Get the required spell at Webb of Wonders.
- 4
Lift the tree near the waterfall.
Completion
Rewards and unlocks
- Merfolk begin visiting Town
- Hosu residents introduced