Each weapon in Forgotten Fight have their own attribute. It's up to you to equip your heroes and choose which weapon & artefacts they will use. I will explain the 11 weapons available. Be aware that if you choose 1 weapon in each hand you will suffer a -1 to hit.
Sword: The sword inflict 25 dmg and also reduce the armor save of your enemy by 1.
Axe: The axe inflict 35 dmg. It does more dmg than other weapon but don't provide any other bonus.
Mace: The mace is the gambler weapon, it inflict 25 dmg just like the sword but also give a +1 chance to crit. but also decrease your chance to hit by 1.
Large Weapon: The sword, the axe & the mace can also be chosen in a large version. The large version require 2 hands to use but give a bonus of +1 to crit & +5 dmg.
Dagger: The dagger is one of the weakest weapon. It only inflict 15 dmg but give a bonus of +1 to hit & to crit. That weapon is perfect to apply poison.
Spear: The spear is a 2 handed weapon that inflict 30 dmg and reduce the armor save of your enemy by 2.
Staff: The staff is a 2 handed weapon that only inflict 15 dmg but also increase your armor save by 1.
Bow: The bow is a 2 handed weapon that inflict 20 dmg and also decrease your chance to hit by 1 but the bow prevent the player to suffer any counter dmg and prevent to enemy to use defensive skill against it.
Shield: The shield is not really a weapon because it cannot be use to inflict dmg. The shield will give his user +1 to Evasion. Evasion reduce your enemy chance to hit by 1.