Elemental Tiles!
Tiles that accept surface elements can now be made wet, frozen, shrouded, oiled, or burning. Applying elements interact with the existing status in a (mostly) intuitive way: Fire melts ice, water puts fires out, oil burns, etc. etc.
Since pushing is a big part of the game's combat, pushing an enemy through fire can be an extremely powerful tool. And anyone moving or getting pushed onto an ice tile will cause them to slide until they hit something!
Burning tiles also emit light and smoke from doused fires blocks vision for a few turns before dissipating.
The great thing about the enemy behavior system is that it has a very generic function for calculating value and cost from resultant game states. So the high-value things like getting close to an enemy or avoiding damage automatically incorporate the tile hazards and I'm already seeing enemies be smart about ice sliding usage.
There's so much to be done with all of this, I can't wait to start using it all with some encounter design and create synergies with different abilities ♥
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