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Letter grade is a standard percentage scale: A ≥90, B ≥80, C ≥70, D ≥60, F below 60.

EHP already factors in Evasion (via hit-avoidance chance) and Armour, shown above as their own ratings for visibility. Armour's real mitigation is highly hit-size-dependent (PoE2's Armour / (Armour + 10 × Damage) formula) — strong against many small hits, weak against a single big one — so a high Armour rating alone doesn't mean as much survivability against pinnacle-boss-sized hits as it does against regular map packs. For that reason, the defense portion of Endgame/Farming-fit scoring on early_maps/mid_maps/high_maps now uses Max Physical Hit Taken (PoB's own "biggest hit that would exactly kill you," solved directly from your stats — not the ambiguous EHP figure) compared against a real reference monster hit at that tier, instead of the generic EHP bands. pinnacle_bosses still uses the generic EHP bands — no equivalent real per-boss hit-damage data exists to do the same for it.

Fire/Cold/Lightning Res above can look surprisingly low or negative even on a well-geared character. PoE2 applies a real, permanent -60% Elemental Resistance penalty by endgame (-10% per campaign Act, capping at Act 6) — Chaos Resistance is exempt. That means reaching the 75% display cap on Fire/Cold/Lightning takes 135% raw resistance from gear and the passive tree, not just 75%. A build showing e.g. 36% raw Cold Resistance will display as -24% here once that penalty is applied — that's this tool correctly reflecting a real, if widely-criticized, PoE2 mechanic, not a bug or a miscount of your gear.

• Split Personality
• Rite of Passage
• The Fall of the Axe
• Mageblood