Trioligies/Arcs

What are Trioligies/Arcs?
Trioligies are a group of spires that are related, officaly confirmed by louieriver.

Lunatic's Arc (created by louieriver)
Tower of Luntanic's Anger

Spire of Eternal Flames

SoU - Spire of ??????

SoTHS Spire of ?????? ?????? ??????

Mushroom Trioligy (created by Blamerz1/polywolf)
Spire of Extreme Mushroom Devastation

Spire of Infected Mushroom Facility

Spire of Plant Chaos

Spire of Dangerous Mushroom Adventuring