Glavenus are Brute Wyverns first introduced in Monster Hunter Generations. They are large Brute Wyverns with dark red scales covering its body. Two rows of blue, bony plates run along its back, going from the eyes to the tail. Its underside is more of a cream color. The main feature of Glavenus's physiology to its huge, sword-like tail. The tail has originally the same color as its back plates, although it will turn a rusty color or a fiery red during the battle. Its hind legs are powerful and muscular, while its front legs are much smaller and mostly useless. The face and mandibles are covered in sturdy plating, particularly resembling a Carnotaurus ' head, though the arms and proportions are modeled after Tyrannosaurus.

Tier: High 8-C |7-B

Classification: Brute Wyvern

Powers and Abilities: Superhuman physical characteristics, bodily weaponry (Teeth and tail blades), rage power, sound manipulation, status effect inducement, fire manipulation, explosion manipulation, breath attack, statistics amplification, smoke manipulation, possible soul manipulation, and non-physical interaction (The gem inside its fire sac is stated to contain screams of burning souls), resistance to disease manipulation, heat manipulation, and fire manipulation

Attack Potency: Large Building level+(Comparable to Lagiacrus and Rathalos. One of the strongest Brute Wyvern and is leader of the Fated Four)|City level (Stated to be capable of incinerating a mountain, which is 1.623e17 joules)

Speed: Supersonic (Comparable to Rathalos and Astalos)|Massively Hypersonic+(Should be as fast as Kirin)

Lifting Strength: Class 100|At least Class 100, likely far higher

Striking Strength: Large Building level+|City level

Durability: Large Building level+|City level

Stamina: Superhuman (Able to fight for days)

Range: Tens of Meters, higher with explosions

Standard Equipment: None notable

Intelligence: Above Average. One of if not the smartest Brute Wyvern ever recorded and has weakness to Dragon Element.

Weakness: Water and Dragon |Water and ice