Spawn a trap at the target location, which arms after 1 second.
When an enemy triggers the trap, they take
(50%) physical damage and become
Rooted.
Targets hit that are
Snared become
Rooted for 3 seconds, and all
Snared stacks on those targets are consumed, increasing the rooted duration by 1 seconds per stack consumed.
Rooted: Can not move for 4 seconds.
Snared: Movement speed reduced by 25% per stack.