Hey guys i just hit lvl 20 in atlantica and im unsure whether or not to get monk...some ppl say get it others say not to this is my formation so far

sword-spear-empty[front]
me(axe)-gunner-empty[mid]
shaman-empty-empty[back]

this is what i was thinking if i get monk

sword-spear-empty
me-gunner-empty
shaman-monk-empty

and if i dont get monk i will most likely get swordsman

sword-sword-empty
me-spear-empty
shaman-gunner-empty

Plz help