Ancient Sword (BepInEx - Nautilus)
subnautica — Mods & Enhancements
Ancient Sword adds an Earth-made blade to Subnautica, crafted by Senna. With 1,181 endorsements and 61,414 downloads, it's a popular item mod. Last updated August 2025, it requires BepInEx and Nautilus. For players wanting a new weapon with lore flavor.
📦 Full mod page on discovermods
Downloads, ratings, compatibility info, installation guides, and user reviews.
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ItemsExample
Downloads: 61,414 | Endorsements: 1,181💡 Notes
By Senna | v1.9 | 1,181 endorsements
🎯 Tips & Tricks
Make sure you install BepInEx first, then Nautilus, and drop
Make sure you install BepInEx first, then Nautilus, and drop the mod into the plugins folder.
Check the mod's page for any required game version compatibi
Check the mod's page for any required game version compatibility notes.
If you're new to modding, watch a quick tutorial on BepInEx
If you're new to modding, watch a quick tutorial on BepInEx setup for Subnautica.
🔧 Troubleshooting
Mod not working
Check load order and required dependencies. Read the full mod description.
⚠️ Common Mistakes
- Installing multiple mods that modify the same files without checking compatibility
👍 Pros
- Community favorite with 1,181 endorsements and 61k downloads.
- Simple concept: a new blade that fits the game's lore.
- Recently updated (August 2025) so likely works with current version.
👎 Cons
- No detailed description of stats or crafting recipe.
- Requires BepInEx and Nautilus, which may be extra setup.
- Only adds one item—if you want a full weapon pack, this isn't it.