The two of them are confident that they will be able to make the god of telepathy swear not to help the god of knowledge with anything because the god of history knows a lot about the strengths and weaknesses of the god of telepathy.
The god of history had met the god of telepathy as the god of seers in the past. This was after the god of telepathy had killed the god of dreams with a godling, so he knows that the god of telepathy will soon target the god of illusion.
It is unfortunate that this event has already happened, and he has already sworn not to reveal anything about the god of telepathy, so he can't use the information he knows about the god of telepathy to threaten and blackmail the god of telepathy into cooperating with them.
But he also knows that the god of knowledge knows the secret of the god of telepathy, and he also knows what else he can do to help the god of telepathy grow stronger.
