Irys is a Gamera Kaiju antagonist, a mutated Gyaos that holds a Telepathic link to a young girl.
Powers and Stats
Tier: At least High 7-A
Classification: Shadow of Evil, Dark Deity, Mutated Gyaos
Speed: Massively Hypersonic (Fought alongside Gamera in the skies, the Super Gyaos left Earth’s atmosphere then re-entered it, Irys is far stronger mutated version of a likely stronger type of Gyaos, so there's no reason why he should be slower than the Super Gyaos)
Lifting Strength: Class M (Weighs 199 tons, pushed around and overpowered Gamera, who pushed over an object that weighed 3000 tons in a previous movie in a previous film, Gamera has gotten stronger since then)
Striking Strength: At least Large Mountain Class (Harmed Gamera severely with physical strikes)
Durability: At least Large Mountain level (Withstood many attacks from the Army and Gamera, required the Vanishing Fist to be killed in a damaged state)
Stamina: Very High (Fought with Gamera for a long period of time without tiring out)
Range: Dozens of Meters with Melee attacks, 1-2 Kilometers with Tentacles, Dozens of Kilometers with energy attacks depending on what absorbed
Standard Equipment: None notable
Intelligence: Likely Average by human standards; formed a telepathic link and bond with a girl so he could get more power, likely the Hive Mind of the Gyaos.
Weaknesses: Tentacles can be cut off, does not regenerate.