arcemu/arcemu — comment on commit 3be2ca073aaa74ce3493a29e207a9b4c03a7d121
File:  line 0
By neo-mat:

Either way Arcane Explosion has wrong DBC data (What a surprise from Blizzard, jk...) or it is supposed to be handled somehow otherwise because of that flag. For example Holy Nova has no Interrupt Flags, nor most instant casts like DoTs/HoTs