Waypoint Ruins area is located in the Limgrave region of the Elden Ring map. In addition to having a mini-boss fight and unlocking a spell merchant, this area also has some precious loot-able items.
The Mad Pumpkin Head is an miniboss variant found in West Limgrave's Waypoint Ruins. You can find the Waypoint Ruins by following the road southeast from the Gatefront Ruins, and looking for a hilltop ...