Elemental Burst

 Burst
An elemental weapon has been sheathed in an element and deals an additional 1d6 of elemental damage on a successful hit. In addition, critical hits deal an additional 1d10 elemental damage per critical multiplier above 1x. Example: A weapon with a x4 critical multiplier deals an additional 3d10 elemental damage on a critical hit.

Acid Burst
Note: Acid Burst can only be gotten on crafted weapons or named weapons and  not on randomly-generated loot .