Ignite/guide

Monster
Enter the Furnace Realm. Go left and down from the door and interact with the gray statue. Walk down and interact with another gray statue. Go up until you're on a road then go left until you're teleported to the Highway. Go left twice and enter the tall structure. This will send you the Blank Area. Go south-west and interact with the big head in the ground.

Frozen
Enter the Furnace Realm. Go left and down from the door and interact with the gray statue. Walk down and interact with another gray statue. Go south-east and interact with the lamp-post with the flickering white light. Go north-west and interact with the white statue. Interact with the furnace.

Radio
Enter Blue Town. Follow the road below you and enter the building near the end of it. Interact with the radio on the stage.

Pitchfork
Enter Blue Town. Go north-east to the top-right corner of the map and enter the blue house. Go up through the door further into the house. Go: Down, Left, Up, Right then down and left. Enter the door. Interact with the face on the wall. Wait until the cutscene ends, afterwards go straight up and interact with the pitchfork.