All included files are, or have previously been, released into the public domain - CC0
No credit is required.
Included is the blend file, as well as obj exports of each piece.

The models and textures were derived from:
https://opengameart.org/content/handpainted-style-rocks - CC0 - Rubberduck
https://opengameart.org/content/molten-rock-like-thing - CC0 - Prime_8
https://opengameart.org/content/cc0-rune-icons - CC0 - AntumDeluge

Preview images:
Blender 2.83.5