Are these sentences properly worded?

After Halisstra broke the Crescent Blade, she joined the others on the Planes of Soulfire while the battle was still raging and attacked Danifae in revenge for their earlier fight. Before either priestess was victorious, Lolth’s tabernacle, the Spider Queen’s inner chamber, opened, beckoning all three of her priestesses forth. The remaining yugoloth soldiers were killed, and Pharaun, who was still magically incapacitated, was left on the ground to die as a sacrifice to the host of spiders.