[NIE] Les avancements de l'Encyclopédie Nuva

The next day, Kirbold pleaded that the group turn back, and abandon the trip. Tarduk temporarily dissuaded the Ice Agori, but upon reaching the Forest of Blades, he insisted that he retreat. As they examined the Forest, Crotesius realized that there were warriors fused to the trees, and recognized it as the work of the Element Lord of Jungle. Tarduk allowed the Ice Agori to leave, and Kirbold took one of the Sand Stalkers in order to travel back. Crotesius and Tarduk continued on the expedition, traveling through the Forest. They were suddenly bound by the vines and flora of the Forest, and approached by the Element Lord of Jungle. Recognizing Crotesius to be a Fire Agori, the Element Lord of Jungle intended to keep Crotesius to bind to the trees, but was stopped by Kirbold, who had returned to the group. Kirbold freed Crotesius and lit the Forest on fire, escaping with the other two Agori.

Eventually reaching the river Dormus, the three Agori were forced to ford the river to keep heading in the right direction. Crotesius claimed that their destination might not even exist anymore, and was taunted by Kirbold for being afraid to cross the river. To prove his lack of cowardice, Crotesius went right up to the river, and was quickly dragged underneath the surface by a hand made of water. He was soon joined by Kirbold and Tarduk, and their captor revealed himself to be the Element Lord of Water. The Lord demanded to know the route they were taking, and the three Agori eventually convinced him to spare their lives, and act as his guides, in return for knowledge of their quest. The Element Lord agreed, but quickly fled when confronted by the Element Lord of Ice.

As the ice crept towards them, they began to swim to the shore, only to be surprised by a figure that appeared to be a slab of rock that created three pillars of rock that launched them out of the river. They turned in time to see the pillars sinking below the surface and shards of Ice propelled towards them, quickly destroyed by the slab. When Crotesius and the others rose, the rock had adapted to the form of Tarduk, though it spoke in the voice of a Skrall. The figure, who they deduced to be the Element Lord of Rock, told them the Valley of the Maze was not theirs to conquer. When they said they were not there to conquer the Maze, he asked them if they were missing their homes, to which Kirbold responded yes. The Element Lord allowed them to travel onward, warning them to only learn what they had to, and to not take anything and to never return.

The Agori traveled along the banks of the river for several hours, during which they witnessed Baterra shapeshifting. They remain undisturbed by the mechanical beings because their tools and weapons were concealed. Eventually, they reached the headwaters of the river, overwhich was an ornately carved tunnel known as the Spirit's Wish. Tarduk mentioned that it was a mythical arch that granted the dearest wish of those who passed through it. Since there was no other way around, they went through it. After a sudden flash of light and then complete darkness, Crotesius awoke in the ruins of Atero Arena along with Kirbold and Tarduk. The trio realized that the Skrall must have destroyed the city, and resolved to head back to their villages, leaving the Jungle Agori with a desire to return to the Maze and solve the riddle that had no answer.
Crotesius riding the Cendox V1

Kirbraz and Scodonius later fought with Crotesius in a practice match, using their vehicles. After boasting about his skill in the arena, Crotesius was able to deal with a new maneuver they showed him, knocking Scodonius over. The three Agori started talking about the recent Skrall movements, and Crotesius remained convinced that the Arena Match system would continue despite the Skrall abandoning it.
Crotesius' Cendox V1 in practice combat

Crotesius was part of the group that came to support Mata Nui and seize the city of Roxtus.

Crotesius now lives in the Mega-Village with the other Agori.