Originally Posted by Melvear
Probably because it would give you 20+9.5 (10)= 30 total mpen, giving you true damage.
but that doesnt mean the dmg output would necessarily be better than just adding more ap to the skills. there is no 'obvious' answer, someone just needs to do the math on this one.
another possibility to get some survivability in there: start with boots, ruby crystal, amplifying tome- after the first battle turn tome and crystal into haunting guise and that frees up boots for ionian or merc treads