Cleric Weapons:
Primary Weapon(s): Mace, Flail, Wand
Maces have a very short reach and very fast swing speed. Maces also have higher stun rate and less stable damage.
Flails have longer reach and wide slower sweeping swings. Flails also have higher critical rate and more stable damage.
Wands have short reach and fires 3 consecutive bolts of lightning as it's fourth swing.

Auxiliary Weapon(s): Shield
Unlike other secondary weapons, shields provides additional defense and magic defense, giving Clerics the highest defense among the four classes.