2021 · ソースブック（プレイを拡張するルール／オプション）

Crimson Escalation

A combat supplement for Dungeons & Dragons that introduces a critical-hit mechanic designed to make battles faster and more dramatic. The critical-hit range increases each round, with a visual tracker showing which attack rolls currently score critical hits. The PDF also includes an explanation of the mechanic, immersion guidelines, artwork, a foreword, and credits.