The Boom Cannon

Range 30ft, 3x Crit, 1d12 bludgeoning
Move Action to reload
DC12 STR or be knocked back 5 ft
As a full-round, increase damage to 2d12
DC15 STR or be knocked back 15ft
Can be used to make a ranged bullrush attempt.
"Please allow my cannon and I to conflict resolve."
—Tristana, The Yordle Gunner