"Escape to Salvation" - "Magnificent Retreat" [Campaign 4, Mission 4]

Good people, please tell me, if I kill Biara before meeting Gothai, will the mission be completed, or will I still have to finish playing as Kujin and Ilay? I don't really want to fight with Kujin. A stupid script put a Dragon Crown on him instead of a hat, which gives +2 luck/+2 morale, but it's not needed at all. Now his luck is -2, which is not good. Added after 19 hours and 22 minutes I'm answering my own question: Yes, the mission is completed after taking the Claw. If you rush, it all ends on the third week. I didn't rush, so the Claw fell on 1-4-1. I took Shadow Lords (there weren't many of them - 89) and four stacks of gremlins of 50 each (approximately). Zehir, level 30, with Spell Power. The enemy's ballista is under control. We control the demoness and defeat them. Then Control + Blindness do the trick. It turned out that neither Archdevils nor Archdemons could summon. Archdemons - because they were almost immediately destroyed, Archdevils - stood under blindness for almost the entire battle, and then the remaining Cave Lords were finished under Control. In the end - Summon and Chaos. I messed up with Resurrection: I should have put a mark on the Shadow Lords. Then it would have been almost without losses. In short, I even started to feel sorry for Biara.