Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Dungeon Kit Free.
Dungeon Kit v1.1
Easily create action / puzzle dungeon crawler games with DRAG ‘N’ DROP level and puzzle design!
-Drag ‘n’ drop puzzles + solutions into your dungeon super easily!
-Player Controller with a nice feel and easy-to-customize settings (speed, acceleration etc.)
-Enemy AI: Strategic OR Zombie-like (easily changed in the Editor) w/ NAVMESH support.
-Melee Combat + Shield Blocking.
-Pickup and throw objects like pots.
-Awesome items and weapons such as throwable bombs and a grapple hook!
-Doors that can be easily configured to only open with Keys or a Boss Key.
-Top-Down camera system that clamps the camera within customize-able bounds.
-Mecanim animation support.
-Commented code detailing how everything works.
-A simple yet cool rigged and animated character model.
Check out the demo to see this kit in action!