That could suffice or maybe make it available after defeating golem or make it only crafteable with ectoplasm as part of the recipe and not sell able.They stacks... The original idea of this potion is boosting damage for battling Final Bosses of mods. And give player the way to have dodge without using Ninja accessories.
Maybe it is OP. I think I will nerf bonus from 10% to 5% damage and crit boost.