Lore
A hybrid between merfolk and sea serpents... Don't ask how they managed that. 
Abilities
The Merfolk is an Origin with the following abilities:
Boiling Shot [Secondary]
You shoot a jet of boiling water, this dehydrates you and has a cooldown of 30 seconds.
Scales
A serpenta has thick scales, giving it some natural armour.
Hydration
A merfolk needs to remain hydrated in order to survive. Being in rain or water will increase hydration, whilst being outside both will dry you out.
Water Breathing
A merfolk has the ability to breathe underwater.
Wet Hands
A merfolk's hands are made for use underwater, making it harder to break blocks on dry land. Also a great song.
Like Water
When underwater, you do not sink to the ground unless you want to.
Aqua Affinity
You may break blocks underwater as others do on land.
Wet Eyes [Primary]
Your vision underwater is perfect.