Hit Chance Formula:
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Definition: This calculator determines your chance to land debuffs on enemies based on your Accuracy stat and the enemy's Resistance stat.
Purpose: Helps players optimize their champions' Accuracy to reliably apply debuffs in battles.
The calculator uses the formula:
Where:
Explanation: The formula compares your Accuracy against the enemy's Resistance. The hit chance is capped between 3% (minimum) and 100% (maximum).
Details: Proper Accuracy ensures your debuffs (like Decrease Defense or Stun) land consistently, which is crucial for progressing in dungeons, clan boss, and arena.
Tips: Enter the enemy's Resistance (visible in dungeon info or clan boss details) and your champion's Accuracy (shown in stats). Both values must be ≥ 0.
Q1: What's the minimum/maximum hit chance?
A: Minimum is always 3%, maximum is 100%. The formula automatically clamps results within this range.
Q2: How much Accuracy do I need for Clan Boss?
A: For Nightmare/Ultra-Nightmare, aim for 220-250 Accuracy to counter the boss's Resistance.
Q3: Does this work for all debuffs?
A: Yes, this applies to all debuffs except those that cannot be resisted (like some HP Burn effects).
Q4: What about Accuracy banners/gear?
A: All Accuracy sources (gear, masteries, great hall) contribute to your total ACC stat.
Q5: How does Affinity affect this?
A: Weak affinity gives -15% hit chance, strong affinity gives +15%. This is applied after the base calculation.