the restrictions are 10% chance proc and only works on boss enemies, so its not guaranteed
its actually 10% for some time now, i just forgot to update the spell description but now its updated
No, but to be fair I am still one shotting all the bosses anyways with swiftstrike or thorns.
Actually, now that I think about it, I noticed overkill isn't activating unless if I take off swiftstrike and thorns.
Does stat steal, overkill, and perhaps even other aspects of the game, only work on normal attacks, and do nothing from swiftstrike or other spell attacks?