Unlock Rena as a playable character.

Survive the first 7 days of the invasion.

Complete trade with any merchant at night.

End the second battle with a clear victory.

Collect all piles inside the castle.

Build enough beds for all characters.

Survive a fight during the nighttime scavenge.

Collect at least 5 units of Valuables.

Reach the enemies' maximum alert level at night.

Build all buildings available in the Prologue.

Achieve the maximum Bastion's defence power for the Prologue.