For those who are in the habit of reading my entire video description, try to think why I killed body double on T4 before reading further.
It is not to avoid Double’s NP on T5, there would not be a third Fuuma NP in this run with or without killing Double so Atlas’s invincible is sufficient to deal with the second Fuuma NP.
Double’s first action upon summon is always party charge. For bar 3, unlike bar 2, summoning Double is a regular skill that costs a move. Therefore by killing body double on T4, on T5 taking only one Fuuma attack is guaranteed.
Another benefit is pushing Main’s NP turn to T6, allowing Penth to hit as hard as possible that turn without fear of triggering Fuuma’s evade. Otherwise, with the starbomb from breaking bar 3 it is quite easy to land crits and damage past Fuuma's bar 3 70% HP evade threshold.
The steep cost of killing Double on T4 is requiring NP Buster brave chain with at least one crit and above average roll on T5. It is a route I took only after exhausting all other options.
As for T1 draw, BBB hits past Fuuma’s bar 1 evade threshold without buffs while BXB requires Penth’s buffs. Tell’s skill seal skips the evade action completely, unlike Fuuma’s NP which only delays evade till the next turn.
Another way to break bar 1 on T3 without evade's interference is to Arts chain Penth twice so she can break bar 1 via NP on T3. With this approach, Tell should be switched to Martha.
This run may appear more novel but it was easier to execute than Li Shuwen’s solo. In this stage for servants without real sustain, a shorter run means less chances for a debuff or a Fuuma Buster/crit to derail it. Penth’s 3 turn debuff immunity is also a great boon in a debuff-heavy stage.
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