Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Dark Ages: Dungeon I Free.
Dark Ages: Dungeon I v1.15
“Dark Ages” is a series of construction kits designed to create a quality top-down medieval dungeons with gloomy and dark atmosphere. Walls and floors parts are tile-oriented and simple to construct.
“Dark Ages: Dungeon I” is an old underground barracks, but on lower levels you can place abandoned prison cells and torture rooms full of skeletons and deadly traps. Build your own dungeon, fill it with story and action, become a part of dark age adventures.
Pack contains lots of ready to use static assets and animated objects like containers, chests, doors and traps.