Phase 1:
I wait a tiny bit at the start before QTE'ing AI Chan in because the damage is somewhat inconsistent. There is often almost a full mini HP bar of damage missing. If I go to fast (HTR ult at high 982), it felt more inconsistent. Might have to do with the Ai Chan and/or elf timings, don't know. I settled with the 981 HTR ult, works more often that way.
Basic damge sequence with Sirin. The lack of the T stigma forces me to do some cleanup before ulting.
Transition:
My goal is to farm one dodge to get enough SP for HTR later. I use Ai-Chan to run around for the most part so I don't accidentally trigger HTR's ultimate evasion. I need that to trigger the Ai-Chan QTE when the transition ends.
Phase 2:
Now this is quite interesting. Most of the times, Sirin does the same damage when using her weapon active after the 4 basic attack sequence. But sometimes it is doubled. I thought I might cancel some animation, like the 4th basic. But even if I wait longer, it doesn't really work... I still haven't figured out what truly causes this.
The mald part is to squeeze all the attacks in with Sirin before ulting, while all the buffs are still up.
For the last Sirin QTE I use a special sequence. Double weapon active, 2-3 basic attacks and then hold the attack button. This fills up her bar, skips some animation frames for her combo attack, and the best part: if timed right, prevents to get staggered by this stupid boss.
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