The Crystal Wing is both a mod and an item by the same name. It was created by DaftPVF ,the same modder who created the Treecapitatormod, which is also included in the Technic Pack.
Installation:
- Download and install Minecraft Forge.
- Download and install BspkrsCore.
- Download the mod.
- Go to %appdata%.
- Go to .minecraft/mods folder.
- If the “mods” folder does not exist you can create one.
- Drag and drop the downloaded jar (zip) file into it.
- Enjoy the mod.