Increases the damage of critical hits.
| Lv1 | 128 | Increases damage dealt by critical hits to 28%. |
| Lv2 | 131 | Increases damage dealt by critical hits to 31%. |
| Lv3 | 134 | Increases damage dealt by critical hits to 34%. |
| Lv4 | 137 | Increases damage dealt by critical hits to 37%. |
| Lv5 | 140 | Increases damage dealt by critical hits to 40%. |
| Red Wing I | Lv3 | A great sword inspired by a Rathalos wing. Its incendiary materials turn every slash into an arc of flame. |
| Rathalos Firesword | Lv3 | The Red Wing's upgraded form, an advanced model that turns the wake of every slash to scorched earth. |
| Heat Edge I | Lv3 | A Rathalos sword & shield. The red of its blade, aglow with the wyvern's fire, never goes dull. |
| Corona | Lv3 | The Heat Edge's enhanced form, a work that harnesses every bit of the materials' latent incendiary power. |
| Twin Flames I | Lv3 | In these dual blades resides the incendiary power of the fire wyvern clan, packing punch into each blow. |
| Wyvern Lovers | Lv3 | Upgraded Twin Flames. The champion over wyvern fire who wields them will set the world ablaze. |
| Wyvern Blade "Blood" I | Lv3 | A Rathalos long sword hued like the rust of the setting sun. Each cut delivers burning agony. |
| Wyvern Blade "Maple" | Lv3 | The upgraded form of the Wyvern Blade "Blood." With twilight strokes, it paints the world's fiery end. |
| Red Bludgeon I | Lv3 | A Rathalos hammer, literally. Only hunters who have shed their fear of the wyvern may take it up. |
| Huracan Hammer | Lv3 | An upgraded Red Bludgeon. Blistering hot, it now bristles at the thought of heeding any master. |
| Flame Feroce I | Lv3 | A hunting horn that joins Rathalos bone and plating to a wing membrane to produce a fascinating sound. |
| Rathalos Feroce | Lv3 | The Flame Feroce's enhanced form— a polished instrument that heralds the victory of a future king. |
| Red Tail I | Lv3 | A lance fashioned from a Rathalos tail. Each thrust from this slender weapon produces a scorching blaze. |
| Spear of Prominence | Lv3 | The Red Tail's enhanced form, a top-tier powerhouse that pairs vicious spikes with crimson hellfire. |
| Red Rook I | Lv3 | A gunlance that exemplifies Rathalos' might, each roar a fiery melody hastening prey to their deaths. |
| Crimson Rook | Lv3 | An upgraded Red Rook. Tonight, its scarlet hellfire will feast on another legion of souls. |
| Rath Flamesplitter I | Lv3 | A Rathalos switch axe that leverages its materials to allow the hunter to ignite attacks. |
| Rath Blaze Splitter | Lv3 | An upgraded Rath Flamesplitter. Its blazing blade marks a conqueror, the king of all purgatory. |
| Axelion Blade I | Lv3 | This charge blade made from Rathalos spoils adds a combustion mechanism to attacks. |
| Bardichion Blade | Lv3 | An upgraded Axelion Blade. That snarling wyvern on the shield looks eager to incinerate prey. |
| Rathmaul I | Lv3 | An insect glaive made from Rathalos materials. Its every fiery strike evokes the king's valiant rage. |
| Firedance Rathmaul | Lv3 | An upgraded Rathmaul. No longer containable, the king's rage will soon devour the land. |
| Prominence Bow I | Lv3 | Birthed by terrifying technology, this Rathalos strongbow cuts through plating and pierces flesh. |
| Dark Filament | Lv3 | An upgraded Prominence Bow. Wreathed in ominous flame, it sends bolts of hellfire to destroy prey. |
| Rathling Gun I | Lv3 | A Rathalos light bowgun. Its blasts of scorching fire are as relentless as the Lord of the Skies himself. |
| Rathling Phoenix | Lv3 | An upgraded Rathling Gun. Foes tremble before it in vain until they are reduced to dust. |