Sebastian Solace, also known as Z-13, "Handy Man", "The Saboteur", or simply "Sebastian" is a major character in Pressure, acting as an ally to the player as they venture through the Hadal Blacksite. Sebastian’s body is shaped similarly to that of a sea snake, in that it is elongated with blue scales. At the end of his body is a large tail fin. Sebastian’s skin is a light blue. His torso is humanoid, with two larger arms and one smaller arm on his left arm.