Penetration
Penetration reduces the effectiveness of enemy Defense. As a general rule for PvE: if your penetration value is as high as your target's defense, you have reached the penetration cap for that target.
Ignore Penetration
Enemy Ignore Penetration reduces your Penetration 1:1.
Cancel Ignore Penetration
Cancel Ignore Penetration restores it 1:1.
PVE / PVP Variants
Total Penetration = Base + PvE/PvP Penetration.
Formulas
The exact formula and interaction between penetration and defense has not been officially confirmed by the game developers. However, the formulas used in this table provide a good approximation.
Base Reduction
1 - 1000/(1000 + Defense)
Penetration Effect
1 - (Penetration/Defense)
Final Reduction
Base × PenEffect (min 0.3%, max 95%)
Quick Calculator
Final Damage Reduction: --
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Damage Multiplier: --
Uses the same approximation approach as the reference penetration table (base reduction x penetration effect, clamped).
Categories
Filter table rows by boss defense tier (sweetspot planning).
All
Show everything
Early Game Bosses
0-2000 Boss DEF
Mid Game Bosses
2500-4000 Boss DEF
End Game Bosses
4500-6000 Boss DEF
Rare High-Defense Bosses
7000+ Boss DEF
Excellent (0.3-15%)
Good (15-30%)
OK (30-50%)
Poor (50%+)
Reference Table
Rows = Boss DEF, Columns = PEN, Cells = Final Damage Reduction %.
Tip: scroll horizontally; header + left "Boss Defense" stay sticky.