Calculator
Tune total AP, Precision, crit, Damage Amp, MR Shred, and target Durability. Compare expected, crit, and non-crit results.
Set 17 · Space Gods · verified for patch 17.6
Understand what actually multiplies your TFT ability damage.
Start with the ability's AP coefficient, then apply total AP, expected critical damage, Damage Amp, Magic Resist, and Durability. Every input stays visible so the result is easy to audit.
Mechanics
See exactly how a 300 AP tooltip coefficient becomes final damage—and where this simplified model stops.
Set 17 items
Current item text for Jeweled Gauntlet, Rabadon's Deathcap, Blue Buff, Void Staff, and Striker's Flail.
Source discipline
Deterministic item text comes from current Set 17 data; tactics.tools is linked only for live performance context.
The corrected baseline
A normal unit starts at 100 AP, 25% crit chance, and 140% crit damage. Ordinary ability damage cannot crit until the unit gains Precision. Jeweled Gauntlet grants +35% AP and Precision; Rabadon's grants +55% AP and 15% Damage Amp.