Murder Mansion: Skulduggery Pleasant OC

Erskine Ravel is keen for forgiveness. To commemorate that he has invited 10 people to his new house for a grand feast. However, when he is killed maliciously they must find out who killed him. The house traps them and binds their magic, time is of the essence as they search for who of them is the killer, trusting no-one as if they did, they could be next.