Is Deliana-baddie worth it? LVL 60, Books, masteries

https://preview.redd.it/c7ylcq8mbvte1.png?width=1600&format=png&auto=webp&s=d5fdd2c55477d66edadafc0198321f6607f76a6e

Im very close to getting Arbiter, and want to save all the books for her.

Can she perform well in stun set (arena, spider, hard doom tower, maybe even cursed city)? Can she help me with Hydra? - Im currently clearing first Hydra, second chest