Nocti/guide

Swim
Take the north-east path. Go north-east and find/enter a small wooden house. Interact with the swimming tube to your left.

Roller Blades
Take the north-west path. Go straight up and enter the mansion. Enter the door to the basement. Interact with the helmet and roller blades.

Tiny
Take the south path. Leave the house through the door below you. Go into the bush to your right.Go up then right,taking the next path going up and left. Interact with the purple vial/bottle on the ground.

Shadow
Take the north-west path. Go straight up and enter the mansion. Enter the door to the basement. There's a random chance of a shadow creature being there, lifting up part of the floor. Enter the hole. Go left and interact with the shadow girl.