Megatonne, the Hell Express (Japanese: 暴走特急ビッグトン, Bōsō Tokkyū Bigguton, lit. Runaway Express Big-ton) is a Tyrant in Xenoblade Chronicles X. It is a member of the Suid family. It can be found at level 11 in Primordia. It can drop the Suid Fillet needed for the basic mission Suid Sirloin.