Yeah, it was discussed a few weeks ago. Seiryu definitely has a massive TP-regen, while none of the other gods seem to.
And yeah, I'm also curious about the lack of Poison II.. He definitely used it on Seiryu, which would be more difficult to land than on Suzaku. Speaking of Seiryu, and not to sound arrogant, but this seems painfully easy in comparison.
EDIT: He's totally using Poison II.
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