Misty Surge

Misty Surge automatically sets Misty Terrain upon the Pokemon's entry into battle, introduced in Generation VII. The terrain lasts for 5 turns (or 8 turns if the holder carries a Terrain Extender), covering the field with a protective mist that halves the power of Dragon-type moves against grounded Pokemon and prevents all grounded Pokemon from being afflicted by status conditions or confusion.

The terrain does not affect non-grounded Pokemon (those with Levitate, Flying-type, or holding an Air Balloon), and it will be overwritten if another terrain-setting move or ability activates afterward. Misty Surge follows the standard terrain priority rules -- if two Pokemon with terrain abilities enter simultaneously, the slower one's terrain takes precedence.

Misty Surge is the signature ability of Tapu Fini, the Water/Fairy guardian deity of Poni Island. In competitive play, it serves as both a defensive tool against status-heavy teams and a Dragon-type check, though the halved Dragon damage only benefits grounded allies. The automatic terrain set on switch-in makes Tapu Fini a premiere anti-status pivot.