With Quick Casting disabled on Paradox's wall, the indicator for where the wall will be placed is different to where it is actually placed. The indicator seems to be offset by about 1 meter forward.
Concussive Shot:
1250 cost Weapon Item
+1m/s Sprint Speed
+6% Weapon Damage
Active: 35s Cooldown
Fire a projectile that deals Weapon Damage and interrupts channeling abilities. If the enemy hero was channeling an ability when it hits, that ability goes on a cooldown.
45 Weapon Damage
18m Cast...