poison touch interrupts spells on 1st lvl while its not a stun

Level 1: 33% slow for 3 seconds
Level 2: 33% slow for 2 seconds -> 66% slow for 1 second
Level 3: 33% slow for 1 second -> 66% slow for 1 second -> 100% slow for 1 second
Level 4: 33% slow for 1 second -> 66% slow for 1 second -> stun for 1 second
The damage starts after the slow/stun. Deals physical damage