The problem for your metamorph with a spear build is that almost evry metamorph skill scales with strenght and a spear will makes your weapon's skills and auto attacks scales with finesse.
Meaning you will have to invest lot's of pointsi in both stats.
I would advice either change your weapon, or using a finnesse based class (like marksman or scondred).
I only speak about optimasing of course. You can play metamorph with a spear.
