Eijiro's quirk, Hardening, allows him to harden and/or sharpen any part of his body at will. Kirishima is a young man of average height with a rather muscular physique, he has red eyes along with a small scar just above his right eye. His hair is dyed red and commonly spiked upwards, with two little tufts of it appearing like horns, and he has a navy blue soulmate color. His teeth are shown to be consistently sharp. Which personality type is Eijiro Kirishima? Red Riot is an ESFP personality type