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MHW Silver Rathalos is a monster introduced in the Iceborne DLC expansion of the game. Once defeated, you can use the monster's materials to craft high-level gear and armour. The monster is a rare variation of the monster Ratholos, a species of flying wyvern. It has a powerful signature attack called hellfire, making it challenging to defeat and tricky to find. However, despite the monster being powerful, it does have several weaknesses that you can take advantage of. You can find the monster in a single location, the Guiding lands.