Breeding a Grumpyre in My Singing Monsters requires combining a T-Rox and Yawstrich. The breeding course of takes 12 hours and requires a Ghazt because the guardian monster, which itself is a mix of an Entbrat and a Reebro. As soon as the breeding course of is full, the Grumpyre will seem within the Nursery and may be moved to a habitat.
The Grumpyre is a useful monster to have in your island, because it produces a considerable amount of cash and can be utilized to breed different uncommon monsters. Additionally it is a well-liked monster for adorning islands, because it has a novel and attention-grabbing look.
