A powerful Swampert will return to 7-star Tera Raid Battles in Pokémon Scarlet and Pokémon Violet starting Friday, March 6, 2026, at 00:00 UTC. The event will run until Thursday, March 12, 2026, at 23:59 UTC, according to Pokémon.com.
This particular Swampert features Poison as its Tera Type, presenting a unique challenge for trainers. The Pokémon is designated with the “Mightiest Mark,” signifying its formidable strength. Players are encouraged to collaborate with friends to overcome this challenging Tera Raid Battle.
To participate, players must have downloaded the latest Poké Portal News. This represents done by navigating to Poké Portal in the game’s X menu, selecting Mystery Gift, and then checking for updates. Trainers will need to have completed the postgame content following the main story of Pokémon Scarlet or Pokémon Violet, or join a raid hosted by a trainer who has.
The Swampert with the Mightiest Mark can be caught only once per save data. However, even after capture, trainers can continue to participate in Tera Raid Battles against it to earn rewards. These rewards include Exp. Candy for Pokémon leveling, treasures for sale at Pokémon Centers, items to enhance Pokémon stats, and Poison Tera Shards, which can be used to alter a Pokémon’s Tera Type.
Merchandise featuring Swampert is currently available through the Pokémon Center, offering fans a way to celebrate their encounters with the Mud Fish Pokémon outside of the game.