I think your better of putting points into dex vs might for this build. Especially if you plan on playing monk/devoted, all the additive bonus damage will mean the bonus from might will be negligible. I played a nalpazca/devoted solo on potd the other day and I sorta gave up on it because every time I faced a group with a priest it would cast arcane dampener and I would get the drug crash effect and be unable to heal myself, I re rolled with a shattered pillar, figure helwalker/fighter will be too squishy. I think helwalker/paladin would be fine probs.