Items/Gravios MedullaGravios MedullamedullaThough hard to extract and hard to craft, the brain stem is an especially precious Gravios part.Rarity7Sell8,760zCarry99Obtained fromMonsterHowRankChanceGraviosCarve Severedhigh22%GraviosTarget Rewardhigh18%GraviosCarvehigh11%GraviosTarget Rewardhigh10%GraviosTarget Rewardhigh8%Needed forDigmore War Pick×1Gravios Conquerors×1Gravios Gigahowl×1Gravios Lance×1Graviton Hammer×1Gravordius×1Mad Scavenger Pickaxe×1Titan Panzer×1Titan's Armament×1White Cannon×1Dober α (legs)×1Gravios α (arms)×1Gravios β (arms)×1