Surface

A Surface is a type of area. It is a flat layer of some type of substance that covers the ground, and has a unique effect when a creature steps on it. Many abilities and magical effects can create a surface, and they can sometimes be removed or converted into different surfaces with other elements or substances. The effects of surfaces can be avoided with abilities such as Fly.

A Fire surface.

The player can Dip their weapon into Fire and Hellfire surfaces to receive Dipped in Fire, and Simple Toxin surfaces to receive Dipped in Poison.

Ice, Lava and Web surfaces also impose Difficult Terrain, which doubles the cost of moving while on the surface.

Types of surfaces

Surface	Effects
Acid	Acid -  Armour Class reduced by 2
Alcohol	Turns into a Fire surface if exposed to Fire damage, or Ice surface if exposed to Cold
Ash
Blood	Turns into Ice surface if exposed to Cold damage
Black Tentacles	Black Tentacles - Take 3d6Bludgeoning damage per turn.  Difficult Terrain
Caustic Brine	Caustic Brine - Take 1d4Acid damage per turn.
Electrified Water	Electrocuted - Take 1d4Lightning damage per turn.
Fire	Burning - Take 1d4Fire damage per turn.  Dippable: 1d4 Fire
Grease	Prone  Difficult Terrain
Hellfire	Roiling Hellfire - Take 6d6Fire damage per turn.  Dippable: 1d4 Fire
Holy Fire	Holy Fire - Take 1d4Radiant damage per turn.
Ice	Prone  Difficult Terrain
Lava	Melting - Take 10d6Fire damage per turn.  Difficult Terrain
Mud	Difficult Terrain
Mysterious Liquid	Explodes when lit by Fire damage, creating a Fire surface
Oil Surface	Explodes when lit by Fire damage, creating a Fire surface
Plant Growth	Plant Growth - Quarters movement speed.
Purple Worm Poison	Purple Worm Poison - Take 1d10Poison damage per turn.
Serpent Venom	Serpent Fang Toxin - Take 1d6Poison damage per turn.
Sewage	Prone  Difficult Terrain
Shadow-Cursed Vines	Shadow-Cursed Vines - Can't move and takes 1d4Necrotic per turn.  Difficult Terrain: Vines
Simple Toxin	Deals 1d4 Poison damage each round.  Dippable: 1d4 Poison
Smokepowder	Explodes when lit by Fire damage, creating a Fire surface and dealing 2d6 Fire + 2d6 Force damage
Spikes	Takes 2d4Piercing for every 1.5 m / 5 ft travelled.
Twisting Vines	Entangled  Difficult Terrain
Unstable Blood	Explodes when lit by Fire damage, creating a Fire surface
Water
Web	Enwebbed  Difficult Terrain
Wyvern Poison	Wyvern Toxin - Take 1d8Poison per turn.