WoW Forever Rogue poisons up to level 30: what each does and what it takes

A Rogue learns Poisons: You can create and mix poisons, with both found and storebought ingredients. The first poisons need level 20. These are the weapon poisons whose required level is within the beta's cap. Each recipe below links to its page in the Poisons recipes.
Which poisons can you use inside the level cap?
- Instant Poison (requires level 20): Coats a weapon with poison that lasts for 30 minutes.
Each strike has a 20% chance of poisoning the enemy which instantly inflicts 13 to 17 Nature damage. 60 charges.
Ingredients: Dust of Decay ×1 and Empty Vial ×1. - Crippling Poison (requires level 20): Coats a weapon with poison that lasts for 30 minutes.
Each strike has a 30% chance of poisoning the enemy, slowing their movement speed by 50% for 12 seconds.
Ingredients: Essence of Pain ×1 and Empty Vial ×1. - Mind-numbing Poison (requires level 24): Coats a weapon with poison that lasts for 30 minutes.
Each strike has a 20% chance of poisoning the enemy, increasing their casting time by 40% for 10 seconds. 75 charges.
Ingredients: Dust of Decay ×1, Essence of Pain ×1, and Empty Vial ×1. - Instant Poison II (requires level 28): Coats a weapon with poison that lasts for 30 minutes.
Each strike has a 20% chance of poisoning the enemy which instantly inflicts 20 to 26 Nature damage. 85 charges.
Ingredients: Dust of Decay ×3 and Leaded Vial ×1. - Deadly Poison (requires level 30): Coats a weapon with poison that lasts for 30 minutes.
Each strike has a 30% chance of poisoning the enemy for 24 Nature damage over 12 seconds. Stacks up to 5 times on a single target. 90 charges.
Ingredients: Deathweed ×1 and Leaded Vial ×1.
Where do the ingredients come from?
Dust of Decay, Empty Vial and Leaded Vial are sold by vendors.
Which poison should you choose?
Instant Poison and Deadly Poison add damage. Choose Crippling Poison to slow a target's movement or Mind-numbing Poison to increase its casting time.
What do you try next?
Open the Poisons recipes to see each poison's ingredients, or plan your Rogue's first levels with the Rogue guide.
Adventurers’ notes