Ya-rhat, the Thundercloud (Japanese: 雷電のヤ＝ラト, Raiden no Ya-rato) is a Tyrant in Xenoblade Chronicles X. It is a Fal-swo machine. It can be found at level 49 at Kw'arah Cloister in Cauldros. Defeating it is required to complete the eponymous basic mission Ya-rhat, the Thundercloud.