Fungal Sanctuary: A Phased Battlemap (25x20)
Let's send the party towards the Fungal Sanctuary, where large mushrooms like to spread their spores!
The map has a total of 5 phases and with each there is less and less ground without the fungal infestation. Maybe it's the mushroom people, maybe a bloater and some clickers are lurking in a cave, or maybe a druid has been messing around with cordyceps mutations?
If you are playing DnD 5e, consider the following:
You can find the maps with or without grid on my patreon!