FWIW, the Summon Death ritual is a reference to the Rite of AshkEnte, from Terry Pratchett’s Discworld novels. The usual purpose of summoning Death in that context was to ask him questions, and a counterspell to dismiss him wasn’t required because he was always in a hurry to be back about his business, as soon as the summoning wizards let him go.
FWIW, the Summon Death ritual is a reference to the Rite of AshkEnte, from Terry Pratchett’s Discworld novels. The usual purpose of summoning Death in that context was to ask him questions, and a counterspell to dismiss him wasn’t required because he was always in a hurry to be back about his business, as soon as the summoning wizards let him go.