You create poison from your touch and venom from your fangs. They do a mixture of different abilities depending on how you apply them. You can have one of each Venom, Poison, and Blood contained or applied at a time. Venoms, Poisons, Acids created or contained last for 10 minutes or until delivered.

Delivery

Snake Bite.

You have a natural weapon that deals 1d4 piercing and has finesse. You can deliver your Venom directly when you hit with this bite.

Venom Extraction.

As an action you can extract the venom in your fangs and collect it to become a vial. A vial can be used to coat a melee weapon delivering the venom or 10 pieces of ammunition. 

Poison Swab.

As an item interaction you can excrete poison from your skin. Collecting it with a swab. A swab can be used on the edge of a melee weapon or tip of a piece of ammunition. Alternatively when an enemy grapples you you can use a reaction to excrete a poison.

Blood Letting.

As a replacement for a melee attack with a piercing weapon you can stab yourself (no attack no damage) and let acid flow to be collected into a flask or immediately released with you at the center. A flask can be used as a thrown weapon or used as part of an explosion when hit by an attack.

Venoms

Regardless of delivery method. The target or targets make a save DC 30. Then follow instructions on a failure or success. The venom if it has an effect lasts 1 minute.

Serum.

Wisdom Save. On a failure become charmed by you. It makes a constitution save at the end of each turns.

Sedative.

Constitution Save. On a failure become la unconscious. Any addition damage will grant them an additional save to wake up.

Vicious.

Strength Save or take 20d6 poison damage. Half on a successful save.

Poisons

Regardless of delivery method. The target or targets make a save DC 30. Then follow instructions on a failure or success. The poison if it has an effect lasts 1 minute.

Cytotoxins.

Constitution Save. On a failure of the creature has a protection against death it triggers and this poison is immune to that ability for the next 24 hours. If the target is not protected they make an additional save at the end of their turn or die (only removing this poison can save the target from death. On a successful the target is immune to this poison for 3 rounds.

Neurotoxins.

Dexterity save. On a failure become paralyzed. They can make a constitution save at the end of each of its turns.

Hemotoxins.

Heals 20d6 hit points.

Acids

Acids give a delivery method. The acid if it has an effect lasts 1 minute.

Hydrochloric.

Gas in an area 50 ft radius. Dealing 10d6 acid damage or adds 10d6 healing of healing.

Sulfuric.

Splashes a 20 ft radius dealing 50 damage or adds 50 healing if healing.

Fluorosulfuric.

A burst of antimagic in a 120ft radius targets of your choice suppressing some magic items and slowing spell casting. Unattended Magic items each roll a 1d12 on a roll below its tier the item is suppressed for 1 min. Creatures with the spellcasting ability makes an intelligence save at the start of their turn on a failure they cannot cast spells on a success this effect ends for them. Effected creatures must roll a 1d12 when activating a magic item. On a roll below its tier the item does not activate and is suppressed for 1 min.

Admixture

Venom + Poison.

When these two mix as part of application to a weapon they share an initial save. Using Constitution for all follow up saves if any.

Venom + Acid.

You can bite yourself to activate both the venom and the acid. They use the Venom’s save but is delivered how its described by the acid.

Poison + Acid.

You can drop the poison into the flask to mix the two. They use the Poison’s save but is delivered how its described by the acid.