Patch 3.1.3 (undocumented changes)

Items, general

 * Saronite Bomb siege damage reduced from 500 to 150.
 * Global Thermal Sapper Charge siege damage reduced from 1200 to 200.

Bugs

 * Non-mana users (death knights and warriors) cannot buff during preparation in arenas. (Has been fixed via hotfix at the 4th/5th of June)