[He's got some stories Quirrel would probably love to hear.]

As a craftsman and engineer, his skill was unmatched. I take no shame in admitting so.

[Hallownest was glorious to behold in its time, and not in small part was that because of Wyrm. In his workshop, drawing schematic after schematic, Grimm could almost understand why he was so admired.]

As a ruler, his inability to admit when he was wrong brought down his entire kingdom. As a parent? Worth less than garbage.