You can stop making fun of him for not being able to breathe water now.
A 1 Gift Inhuman Physiology Power used by Tahm'Sehn, created by SamrinSamrin.
"Fishman, not Manfish, Fishman! There is a difference!"
Gills : A set of gills on either side of Tahm'Sehn's neck that allow him to breathe water as normally as a regular person would breathe air.
Deepeyes : Tahm'Sehn possesses a second set of eyes on the right and left of his normal "Human" eyes respectively, in bright-light conditions these eyes are closed by a third -eyelid made up of Tahm'Sehn's skin. When opened, these eyes are a strange pearly milky glossed-over white glass that allow Tahm'Sehn to perceive color-hues and see in even the darkest of conditions similar to many deep-sea fish. These eyes are sensitive to extreme-light though as they are fine-tuned to percieve in the absence of light, Tahm'Sehn can willingly choose to close their eyelids however which makes them look much like a set of gills, however he can also choose to open them should he require their use.
Passively, active at all times, Tahm'Sehn manifests the ability to breathe water through a set of gills. Additionally Tahm'Sehn possesses dark-vision capabilities utilizing a second set of deep-sea eyes.
Chosen Action - Eyes of the Deep One (Dark-Vision)
Chosen Action - Gills (Water-Breathing)