User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-5020152-20131018191930/@comment-6050823-20131019141739

^ He did supposely boil everything alive in the Tainted Sea, destroying the ecosystem in that area, changing the water red from blood of the creatures living their. The only thing unknown is if it actually ate them after boiling the water. In all honesty, I think it may eat both ore and meat since Gravios also eats meat occasionally besides ore to gain extra weight.