Main Interlude versions of Boss Encounters are identical to the original / rerun versions of the SERAPH encounters. For Masters seeking advice against specific encounters, check out one of the boss guides from the original event runs!
There are spoilers regarding the identity of the boss fights in the below table! Guides are separated by Main Quests (first half) and Detour Quests (second half).
Click on the enemy's image below for its corresponding guide!