101Leafy researched the games.
Rathalos Helm X

For a hunter, this rare helm is almost like a crown. Boasts overwhelming Defense.
| Part | Head |
|---|---|
| Type | Blademaster/Gunner |
| Rarity | 9 |
| Defense | 92 |
| Fire Res | +2 |
| Water Res | -1 |
| Thunder Res | +2 |
| Ice Res | -3 |
| Dragon Res | -4 |
| Slots | 2 |
| Table price | 16,100z |
Listed in the equipment tables of モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 938.
Skill points
Materials
Hrd Rathalos Scl ×3, StrRathalosWing ×1, HvnlyRathalosScl ×1, Eltalite Ore ×3