Tyrant

Tyrants are enemies in Xenoblade Chronicles X that are typically larger and stronger than most other enemies, acting as optional non-story minibosses. These enemies also have individual names and possibly arts that no other enemy does, and provide better rewards when defeated.

There are 251 Tyrants in the game. In general, most Tyrants have a name with the format "(Name), the (Adjective)", although many Ganglion Mechanoid Tyrants will have special names. Ganglion Skells may have the owner of the Skell in its name, while others will have names describing their function in battle, like Enhanced Attack Range Zig.

When a Tyrant is defeated, the player is guaranteed a gold or a silver chest from the main body. Silver drops are guaranteed to have a Holofigure.

During most battles against Tyrants, the unique song Uncontrollable plays. However, some high-level Tyrants, like Lugalbanda, the Wanderer-King and Pharsis, the Everqueen, will use the third part of no10=CR17S19S8 instead.

Some enemy types only appear as Tyrants, like the Telethia, which use the second part of raTEoREkiSImeAra as a battle theme, and the Yggralith, which use the song In the forest  as a battle theme.

Plot
According to Elma, "Tyrant" is the term for an indigenous lifeform that exists outside of the usual threat ranking system. These are the type of enemies are too powerful for BLADE to quantifiably measure in terms of danger. This danger can be raw strength, but sometimes nasty traits like abnormallly high HP, damage reflection, or heavy spike damage can lead to something becoming a tyrant.

During the events of, Elma and Lin explain Tyrants to Cross so they know what they're up against before they team up to fight Volkampf, the Pursuer as part of Cross's initial training.