What to know
- The Undead Eye is a legendary class mod for the Vex class, triggering the Blood Shot ability on sniper rifle kills or with a 33% chance on critical hits.
- It drops exclusively from the Vile Lictor boss as a dedicated legendary item.
- You'll find the boss in the Umbral Foundry area of Terminus Range on the planet Kairos.
- Complete the main story mission "His Vile Sanctum" first to unlock access to the boss arena.
In Borderlands 4, the Undead Eye is a highly sought-after legendary class mod exclusive to the Vex character. Players farm this mod by defeating the Vile Lictor boss in a specific game area known as Terminus Range, particularly in the Windspear, Umbral Foundry region. Access to this boss requires certain story progression and the collection of vault key fragments.
BL4 Undead Eye class mod specs
The Undead Eye shines in builds centered on precision and lifesteal, amplifying Vex's summoning mechanics with sniper-focused perks. It pairs best with skills like Phase Phamiliar for phantom allies, Incarnate for spectral bursts, and Dead Ringer for evasion tricks.
Undead Eye Vex is looking good
by u/Desto89 in Borderlands4
Vex Undead Eye Gameplay
| Effect | Description | Benefit |
|---|---|---|
| Sniper kill trigger | Automatically activates Blood Shot on any enemy killed with a sniper rifle. | Converts health into raw damage output, ideal for chaining kills in mob clears. |
| Critical hit proc | 33% chance to trigger Blood Shot on sniper crits. | Boosts sustained DPS in boss fights, turning headshots into health-fueled explosions. |
| Class synergy | Enhances Vex's phase-based abilities with lifesteal on procs. | Supports aggressive playstyles, regenerating health mid-fight for longer engagements. |
These effects scale with your level, making it a staple for endgame UVHM5 runs where one-shots define your Vault Hunter.
Where to find the Undead Eye in BL4
The Undead Eye class mod drops from the Vile Lictor boss located in the Terminus Range region. Specifically, the boss spawns in Windspear, Umbral Foundry, within the Vile Sanctum area. Players need to acquire vault key fragments to unlock access to this location as part of the story mission "His Vile Sanctum."
How to get Undead Eye in BL4: Reach Vile Lictor and farm
Step 1: Ensure story progression
Complete the His Vile Sanctum mission to unlock access to the Vile Lictor. Without this, you won’t be able to encounter the boss.
Step 2: Travel to Terminus Range → Umbral Foundry
Fast travel to the Terminus Range and make your way into the Umbral Foundry. This is where the Vile Lictor resides.
Step 3: Locate Vile Lictor’s arena
Head through the Umbral Foundry until you reach the boss arena. Keep an eye on the pathways and hazards that lead up to the fight.
Step 4: Prepare your loadout
Equip strong sniper rifles, gear that enhances critical hit chance, and shields with good survivability. These will give you an edge in the fight and improve your farming efficiency.
Step 5: Defeat and farm Vile Lictor
Fight and defeat Vile Lictor. Check the loot pool after every attempt.
Step 6: Repeat the fight
Use the Moxxi Encore machine to rerun the fight. Since the Undead Eye isn’t guaranteed, expect to run the encounter multiple times.
Tips to fight the Vile Lictor boss in BL4
- Prepare by equipping weapons with high burst damage and elemental types effective against the boss (shock and corrosive work well).
- Clear the surrounding area to avoid interruptions during the boss fight.
- Use cover and maintain mobility to dodge attacks, as the boss uses ranged and melee assaults.
- Attack the weak points revealed during certain boss attack animations to maximize damage.
- Use skill combos of the Vex character to exploit weaknesses and manage survivability.
Is Undead Eye farming worth it?
Farming the Undead Eye class mod requires unlocking access to the Vile Lictor boss in Terminus Range, Windspear. It is a must-have for Vex players who want to lean into sniper rifles and crit-heavy builds. Farming Vile Lictor can take patience, but once you secure this mod, it unlocks high-damage potential and smooth kill chains that make sniper play far more rewarding.
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