Ruins

The vegetation covering the center area of the island could be considered a forest at parts and a jungle at others. Some spacings could be used to travel in-between the trees but some areas seemed to have been thrown in a blender together. 

Before he went too deep into the forest, Arthur used his Detection rune to gain a better understanding of his surroundings. Astoundingly, he would have to use a lot of his mana to cover the whole island. With how dangerous it is to do so, he settled for covering the few kilometers around him. 

'Are these…' Arthur frowned as he sensed the terrain. 'Ruins?' 

There was stone architecture around the island, in varying shapes and degrees of disintegration. The vegetation has resided in most of them, but some of them were intact enough to form structures.