It seems like it absorbed the five elements and gained resistance.
It used the water elemental part, similar to your spell, of itself to deflect the spell and escape.
Like a lizard cutting off its tail.In this situation..The books are all wet!Y-yes...!Since most of the body has been burnt, it should be much weaker now...We did it!Nope, not yet.You mean it's still connected with the library...?Yes, ma'am!
Although I don't really understand..We'll have to smoke it out.EHH!?