The added physical damage per endurance charge is a global modifier, and stacks with a second nebuloch, although it won't scale with the weapon's quality since that is local to the weapon's physical damage. The weapon has a hidden modifier that causes endurance charges to have tentacles.
10% reduced Enemy Stun Threshold
Adds (45-60) to (100-120) Physical Damage
Gain (30-40)% of Physical Attack Damage as Extra Fire Damage
+4% to Chaos Resistance per Endurance Charge
1% reduced Elemental Damage taken when Hit per Endurance Charge
Adds 5 to 8 Physical Damage per Endurance Charge
+500 to Armour per Endurance Charge
200 Fire Damage taken per second per Endurance Charge if you've been Hit Recently
They hoped that, trapped in its prison, the creature would age and perish. But time would not touch the fiend.
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