Optimus Prime

• At the beginning of the battle, all units gain {0}% [Indestructible] (Buff) in the first round, lasts 1 round. When the 2nd round begins, units will convert into attack mode: there's a chance to fire [Howitzer] each time when the unit attacks, which deals {1}% damage. When an Army unit triggers [Howitzer], the target is disarmed for 1 turn (effect: unable to launch regular attack) - Effective against rival commander units ONLY

• Increases the skill effect of Optimus's skill. (Probability of triggering skill effect is NOT included)