Overview
I could not verify Lonely Grave as a canonical location in the base game of Ghost of Yōtei. The available location indexes, regional guides and collectible directories I checked do not establish a place with that exact English name, nor do they provide enough evidence to reconstruct reliable boundaries, subareas, characters, rewards or activities without guessing.
The exact phrase Lonely Grave is currently better supported as an Enshrouded location than as a Ghost of Yōtei location.
Sources
- Lonely Grave - Enshrouded Camps and Outposts — enshrouded.gaming.tools
- Ghost of Yotei Map: All Regions, Unlocks & Collectibles — ghost-of-yotei.com
- Category:Locations in Ghost of Yotei | Ghost Franchise Wiki | Fandom — ghostfranchise.fandom.com
- All Ghost of Yotei Altars of Reflection locations | GamesRadar+ — gamesradar.com
- List of hidden encounters,dialouges and notes in Ghost of Yōtei. — reddit.com
- 〖ゴーストオブヨウテイ〗御霊の墓標の場所一覧(全20ヶ所)〖Ghost of Yotei〗 - ゲームウィズ — gamewith.jp
- Ghost of Yotei All Collectibles Locations Guide — powerpyx.com