Overwhelming critical

From NWNWiki

Type of Feat: (Epic) Combat

Prerequisite: Str 23, 21st level, Cleave, Great cleave, Improved critical (chosen weapon), Power attack

Required for: Devastating critical

Specifics: When using the weapon chosen, the character deals +1d6 points of damage on a successful critical hit. If the weapon's critical multiplier is x3, add +2d6 and if the multiplier is x4, add 3d6.

Use: Automatic

[edit] Notes

• Requires Hordes of the Underdark.
• Most NWN manuals state that Weapon Focus is a prerequisite, but it is not.
• Overwhelming critical stacks with the thundering rage massive critical bonus, and with the massive critical property on a weapon.