The Battle of Mountain's Tongue was a battle in the Civil War between House Ramstone, a formerly neutral house that fought for the Crown, and a conglomeration force composed of men from Thyllanor and Thunder's Shore. The Ramstones, which had amassed their army in secret, suddenly attacked the rebel army and caught them off-guard, forcing them to lose and killing two royals; one of House Karthmere, and one of House Grimolt.