Psycho and Slasher Bonus Damage Fix
⚪ Last updated 2018⚠️ Install Order · 5 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview
🔍 Analysis
- 👍 3.1% endorsement rate — high engagement, a strong quality signal
- 🏆 #64 of 96 Bug Fixes mods in this game by downloads
📋 About This Mod
Requires main game only.
------------------------
Mod version 1. 0
------------------------
Short story very short:
1. If you take Slasher after Psycho (has been taken), only the +25% Dam. Resist. bonus will be applied.
2. If you take Psycho after Slasher (has been taken), the +25% Dam. bonus will not be applied and you wasted a good chem.
3. On top of that (1 and 2), if Slasher expires, the +25% Dam. bonus (of Psycho) will disappear, even if Psycho is still active.
------------------------
This fix fixes that.
If both chems are taken, a Damage Bonus of +50% will be applied (base weapon damage). The +25% Dam. bonus (of Psycho) will no longer disappear, if Slasher expires and Psycho is still active (vice-versa is available too).
Works retroactively, if you loaded a savegame with Psycho active and Slasher expired.
------------------------
See the screenshots. I mean it.
You do not need this fix, if you use "Perks Day Tripper and Chemist Survivalist Style Fix" (https://www.nexusmods.com/newvegas/mods/66107).
Already included in version 1. 4.
Bethesda/Obsidian.
Me. Always.
The last sip of Bourbon taken from my trusted glass.
Many thanks to:
Nexus - for allowing us increased damage when using chems. In virtual life, that is.
This small bug fix ensures the +25% damage bonuses from Psycho and Slasher drugs stack to a total +50% bonus based on base weapon damage. For Fallout 4 players who use these chems and want consistent, predictable damage output. Simple and effective, with 655 endorsements.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community-approved fix (655 endorsements) that addresses a real gameplay inconsistency.
- Tiny mod that does exactly what it says—no bloat, no extra features.
- Works for both Psycho and Slasher, so you get double the value from one fix.
⚠️ Cons
- Last updated in 2018—might not be compatible with the latest Fallout 4 patches or DLC.
- Only affects damage bonus stacking; if you don't use these chems, it's useless.
For Fallout 4 players who rely on Psycho and Slasher for combat and want their damage bonuses to actually stack as intended. If you're a min-maxer or chem enthusiast, this is a must-have. Skip if you rarely use chems or prefer gameplay overhauls.
💡 Beginner Tips
- Install with a mod manager like Vortex or NMM to keep your load order clean.
- Place this mod after any mods that alter chem effects to ensure the fix applies.
- If you're on PC, make sure you have the game's script extender (F4SE) if required by other mods, though this one likely doesn't need it.
📊 Mod Details
- Game
- New Vegas Mods
- Author
- CivisRomanus
- Version
- 1.0
- Downloads
- 20,834
- Endorsements
- 655
- Category
- Bug Fixes
- Created
- 12/13/2018
- Updated
- 12/13/2018
🔧 How to Install New Vegas Mods
Download from Nexus.
📖 Full step-by-step install guide for New Vegas →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for New Vegas commands, item IDs, and more.
Keep browsing — more New Vegas mods await