Modular Top-down Dungeon Asset Pack - Low Poly
3d models and textures:
Rafał Urbański - http://brainchild.pl/
Final real-time render in Unity5 and particle effects:
Michał Orkisz - http://tinyurl.com/nll9ewp
Full project (all screenshots):
https://www.behance.net/gallery/32582731/Modular-Top-down-Dungeons-Pack-Low-Poly