It is not known to evolve into or from any other Pokémon, but it appears to be an ancient relative of Donphan. Its futuristic counterpart is Iron Treads.
Great Tusk is a large gray proboscidean Pokémon. Its trunk, topside, and tail are covered in dark purple plates, with three rows of pinkish-red spikes on top. Similar pinkish-red accents form around its slanted yellow eyes, as well as on its body as spots. It also has tufts of pinkish-red fur around its legs. Its face has a jagged mouth and two large tusks that curl inward. Its dark purple ears are long, thin, and serrated, with red on the inside.
Great Tusk has a savage nature. The Scarlet Book, which named the creature, describes how it attacked the Area Zero Expedition team with its large body and tusks, fatally injuring one of the explorers in the process.[1] An article from a September issue of Occulture magazine describes Great Tusk as a mysterious life-form resembling Donphan, albeit one with gigantic tusks, tough scales, and an aggressive disposition. Unlike its present-day and future relatives, Great Tusk is never seen curling up into a ball, perhaps prevented by its enormous tusks. There is an unproven theory that the Great Tusk is a living relic of the dinosaur era.
Great Tusk was the first Paradox Pokémon to be discovered 200 years ago in Area Zero by the Area Zero Expedition team and recorded by Heath in his Scarlet Book. According to AI Sada, Great Tusk is an ancient Pokémon and apparent relative of both Donphan and Iron Treads that was brought to the present in the depths of Area Zero through the time machine created by the real Professor Sada ten years ago. At some point, one of them escaped Area Zero and consumed some Herba Mystica, which caused it to become the Quaking Earth Titan, one of the Titan Pokémon found in the Paldea region.
Great Tusk is based on Donphan. Its design may also be based on mammoths or mastodons, extinct relatives of elephants. Its spikes and tail are reminiscent of dinosaurs. The combination of mammalian and reptilian traits may make Great Tusk be based on early synapsids, also called "proto-mammals" and incorrectly called "mammal-like reptiles" in the past.
Name origin
Great Tusk is literally great tusk.
Idainakiba can be taken literally as 偉大な牙 idai na kiba (great tusk).