Telethia Stem Cells are materials in Xenoblade Chronicles X. They are given out as rewards for taking RP from Telethia Plume after the Nemesis is defeated or flees. They can also be obtained for 297 Reward Tickets at the Network Console in the BLADE Barracks. They are used to craft the Supercivilization Attire, Elite Supercivilization Attire, and bunny suit Casual Wear, as well as level 60 Archetype weapons.