step 1: press P
step 2: select tracer missile and place it at quickslot 1
step 3: select that aoe knock back and place it at quickslot 2
step 4: select that remove stun and place it as quickslot 3
step 5: go in the arsenal tree
step 6: spam 1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1
super secret below