The last 3 centuries in the Floating Isles had been tumultuous to say the least. The final revelations from Severis Island left all powers feeling cold.
How close they all came to being under invasion by true Fiends shook many powers' confidence and they lashed out in odd ways.
Many smaller powers unified or came under the influence of greater powers. Those moves broke the balance of power in many islands and previous states of peace. While no battles broke out exactly, tensions rose very high.
For the next 20 years, many suspicious actions were taken to wipe out wicked or shady powers but then it was discovered a righteous sect was rife with Fiend corruption as well.
Once that happened, blood flowed like rivers.
There were exceptions.