Ark Lost Island features 11 artifacts in total, and apart from the Artifact of Clever, each one is a tribute requirement for the game’s final boss – the Dinopithecus King.

According to Ark Wiki, besides the Artifact of the Clever, all the Artifacts in Ark Lost Island are part of the tribute requirements for the Dinopithecus King - the end-game boss on this map.

ARK: Lost Island has become one of the most popular survival games of 2022. ... In Lost Island, there are eleven artifacts. Ten of them are hidden inside caves and one under the sea.

For the Artifact of the Devious, head to the Floating Island to the cave entrance at 37.9 Latitude and 31.2 Longitude. Move across the ramps, and the artifact sits at 40.2 Latitude and 32.6 Longitude.