1) Use an image editor to make character-sheet animations of the lava, lay down events where you want it to go, and have the switch activate a page on those events with the lava animation.
2) Make multiple maps. You could either make one additional map and copy the relevant portions back and forth using Shaz's Tile Changer, or make an extra map for every possible combination of lava tiles and transfer the player between them.
Hey RPG Makers! Today I introduce to you the Tyruswoo Team's Tile Control plugin for RPG Maker MV! This plugin allows you to select specific tiles on a specific map, and change them into any other tile. DownloadTyruswoo_TileControl.js - v1.00For RPG Maker MV DownloadTyruswoo_TileControl.js -...
Reading about metaverses recently. I can totally imagine myself in the future, logging in with VR glasses to a virtual beach villa sitting in a virtual chair, with a virtual laptop facing the sea...coding 16-bit RM.