Thermalsight (3.5e Creature Ability)

Adopter: Eiji-kun (talk) Original Author: Franken Kesey (talk) Date Created: 03/17/19 Status: Fin Editing: Mechanical changes on Talk

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Thermalsight

Thermalsight gives creatures the ability to sense heat sources visually. Creatures with thermalsight see infrared radiation as a deeper rich red color, and in darkness infrared light often continues to radiate even when visual light has failed. Thermalsight is poor resolution, allowing shapes to be made out but not exact details, colors, or textures.

For the most part it provides no benefit in normal lighting other than allowing the user to determine approximately how hot a creature or object in their line of sight is. In darkness, creatures continue to see objects in comparison to the background temperature. Objects hotter than the background temperature glow as if under faerie fire allowing their position to be pinpointed. Invisible creatures still give off body heat. Very hot objects can even "illuminate" the area as a torch. Many undead and constructs do not give off heat and are room temperature, and thus cannot be seen.

Going from room temperature to extreme heat suddenly provokes light sensitivity or light blindness as if it were a bright light.

Infrared light passes through objects gases, including fogs and clouds, but is stopped by 3 inches of stone, 1 inch of common metal, a thin sheet of lead, glass, or water, or 1 foot of wood or dirt. Magical darkness and blindness also prevent thermalsight as it is still visual based.

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