Sanchuudoku +4 from Acid Kensai is way too powerful at that stage of the game. Just regen 3 hp per round is op enough at SOA. Not to mention it is the highest dps weapon if just considering the vanilla weapons in game (-acid resistance on hit + 1d8 acid dam is very strong on enemy with pr and consider how early you get it...)
In my playthrough is remove both +4 dam from the weapon and the backslash. Even tho this weapon is super effective against enemies with physical resistance.
Bloodbane +5 from Red Badge, this is the only +apr twohanded weapon if just considering vanilla game items, making it the best two handed weapon. And it has saveless poison damage which is very strong because it's saveless and stacks on itself.
I remove the extra apr of it and remove the -4 save penalty from the onhit stun effect in my playthrough.
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Ascension, SCS and Tactics is the three most favourite difficulty mod to me. What changes I wish to the mod is making the item given by this mod to be more consistent with the vanilla game items, aka less powerful & complicated. Item like Amulet of Lilim and Ring of Leached Abjuration gives too many bonuses and is less interesting to me. I wish we can keep items simple and elegant, instead of having bloated bonuses.