Third-party effect textures in forge-ordnance.bundle. The summoning ball, the hexagonal drop pod and the turret shell are Forge Ordnance's own models. The turret looks live in the Arsenal package.

Landing effect textures (Creative Commons Zero / public domain dedication):
- vfx-mist: "Smoke Particles" by Kenney, https://kenney.nl/assets/smoke-particles, CC0. Packed into a 2x2 atlas.
- vfx-spark: "Particle Pack" by Kenney, https://kenney.nl/assets/particle-pack, CC0. Converted to white-on-alpha.
- vfx-flare: "Particle Pack" by Kenney, https://kenney.nl/assets/particle-pack, CC0. Whitened (colour channel set to white, alpha kept).
- vfx-flame: "Free VFX image sequences and flipbooks" by Unity Technologies (Unity Labs),
  https://unity.com/blog/engine-platform/free-vfx-image-sequences-flipbooks, released under CC0 (https://creativecommons.org/publicdomain/zero/1.0/).
  Flame02 (every second frame, cells centred on squares), from the official TGA flipbook download.

Landing effect textures from free Unity Asset Store packs (standard Unity Asset Store EULA: commercial use is allowed and the textures may ship inside a built product):
- vfx-smoke: "Particle Pack Starter Assets" by Unity Technologies, https://assetstore.unity.com/ (free pack).
  SmokePuff01 (white colour, alpha from the source brightness, blurred).
- vfx-rock: drawn for this mod by `tools/make_rocks.py` (original work, no third-party source).
- vfx-ring: "Free Quick Effects Vol 1" by Gabriel Aguiar Prod, https://assetstore.unity.com/ (free pack). Circle01_v1 (colour set to white, alpha kept).
