"I'll leave this to you; I'm needed elsewhere." M3gan says and runs off West down the tunnel.
Yulya nodsYes I understand! Please help Alice! I am afraid she has no chance against Nezzer on her own!
Yulya creates a divine ray of light over one of the duplicates but she dodges in time to avoid the beam.

With a laugh and a quick incantation as if coming from both remaining images at once, the caster begins large sweeping gestures with her arms and the arcane words ring like harsh reminders of previous bitter memories. She casts fireball. A bright streak flashes from both the mage images pointing fingers and then blossoms with a low roar into an explosion of flame.
Yulya receives a vision amid the flames that surround her, to her shock it's Ashley's presence, protecting her in a bubble of safety. Somehow, both are miraculously spared any damage whatsoever.
Surprised she is still alive and unharmed Yulya speaks a prayer to the Goddesses - and a thanks to Ashley.I still hope you make it back to the living!
Yulya gets the impression that this one was free and the energy that was surrounding the dark crystals has dissipated somewhat.
Yulya tries to determine if the caster draws mana from the crystals in this room.This would be bad, we should probably relocate the fight away from here! Cat - this spell needs somatic components you gotta restrain the real one!
Narrowly missing the Ghoul, the flames extend to the group and when it dissipates, the remaining images have retreated to the farthest extents of the room.
Seeing Cat unexpectedly tackling the Western image Yulya flies 5 ft S of the ghoul to get into attack range for the Eastern image. She still remains 10ft in the air. This time she casts Toll the Dead as Cantrip on image 5. If all images are defeated and the real caster remains invisible Yulya searches the area - especially the ceiling for the caster.