You're able to do a combat maneuver with your blast on top of damage.
EXP Cost: 4 EXP
Benefit(s): When chosen, this talent adds a combat maneuver that takes place after your damage is dealt. This combat maneuver is a separate attack roll, however still uses all of the same modifiers. The combat maneuvers which can be added are as follows: trip, sunder, bull rush, or feint.