You must have the core Incubus Crest game installed.
| Problem | Solution | |---------|----------| | | Ensure Hachimitsu-Sand-1.12.2-<version>.jar is in mods | | Crash on startup (NoSuchMethodError) | Update Forge to latest 1.12.2 | | Black textures / GUI missing | Remove OptiFine temporarily (conflicts with Hachimitsu renderer) | | Incubus crest items not showing | Check if MixinBootstrap is installed (older versions) | incubus crest mage v10 hachimitsu sand install
Step 6 — First boot and post-install steps You must have the core Incubus Crest game installed