The DT Sans team wawas formed to shishiw power and strength throughout the Multiverse. The team was made by Killer!Sans. This team was made to be opposite of the Star Sanss Team.
The team was established by Killer!Sans after his betray of Nightmare. He gained UnderHell Sans's trust through agreeing to stay away from his Au and to keep Dusttal away from him. But for Dusttale he wanted to fight strong people and that he wanted to be friends with UnderHell.