Lava swell

Lava waves, also known as lava swells are a type of hazard in the Super Mario franchise.

New Super Mario Bros. Wii
Lava waves debut in New Super Mario Bros. Wii, where they appear in two levels. In World 8-3, lava waves constantly move to the left. In, lava waves are created when Bowser stomps in lava.

Super Mario Galaxy 2
In Super Mario Galaxy 2, lava waves appear in Melty Monster Galaxy on the.

New Super Mario Bros. U / New Super Luigi U / New Super Mario Bros. U Deluxe
In New Super Mario Bros. U, lava waves appear in Iggy's Volcanic Castle.

In New Super Luigi U, lava waves appear in Iggy's Swinging-Chains Castle.

Super Smash Bros. series
Lava waves appear in Norfair, a stage appearing in Super Smash Bros. Brawl, Super Smash Bros. for Wii U, and Super Smash Bros. Ultimate. A fighter is knocked away if they touch one.