The GeoCrawler (ジオクロウラー, Jiokurourā?) is the Field Boss, guarding the entrance to Aincrad's 56th Floor's Labyrinth. It was considered as a very difficult field boss to defeat, as it took multiple attempts before it was cleared.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/h-ROtnqoZbZLZl-RBTlq8w== | 5.88129e-14 |