How on earth do I beat this challenger any tips appreciated! Tier 13 with 240 AP and 7200 Health

I know freezing and stealing is disabled

She does pretty much everything damage wise except light?

I have equipped Intricate Energized Helmet, Bear head bomb Manifesting Weapon, Cronus Blade, the Ether, Ballista ROTL Phoenix quill

I have available to me also Halberd of Ill Intent, Natasha, Maniacal Slappy Hand, Ornamented Hook Swords, Super Slappy Jelly Hand, Swashbuckle, Unstable Sample Syringe, Shinwas Lightning

scrolls The Void Cobalt x5 fatal fire x 3 aftershocks gift of the forj lucky morosbane x2 Sancturia Exodin x2 Spacial Abyss

She doesn't do light or water damage. Because of that - I would definitely suggest swapping out the Manifesting Weapon. Do you not have a constant dark blocker?

Swapped it for the ME Thank you.

Any other tips, can't use scrolls some turns so I keep dying.