Overview
I have compiled the information given by Wise Windu into a short table of all the Dot-weapons I could find in that list.
Damage over time weapons
Weapon
DPS
Type
Duration
Plague Champions Bolter
2
piercing
5 seconds
Chaos Sorcerers Sword of Flame
5
piercing
5 seconds
Nurgle Predators Autocannon
7
flame
6 seconds
Plague Marines Bolter
1.35
piercing
5 seconds
Chosen Plague Marines’ Knife
5
heavy melee
5 seconds
Sternguards Hellfire Rounds
1.5
piercing
4 seconds
Painboys Choppa
4
piercing
5 seconds
Lictor Alphas Toxin Miasma
4.5
piercing
3 seconds