
IBO Design Diary - The Progressive Resolution System
How IBO's Progressive Resolution System turns every skill check into a multi-stage risk decision, from sword fights to lockpicking to crafting legendary gear.
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How IBO's Progressive Resolution System turns every skill check into a multi-stage risk decision, from sword fights to lockpicking to crafting legendary gear.

A deep dive into IBO's character system: nine characteristics, d100 skill rolls, backgrounds, apprenticeships, and the Rule of 5.

Lockpicking, ranged combat simplification, grapple redesign, and a dev environment rebuild in the latest Iron, Blood & Omens devlog.

Practical guidance for crafting player-driven wartime stories: pitfalls to avoid, scenario types to run, tools to add tension, and moral nuance.

Streamline combat by declaring intentions, using simple ranges, and resolving maneuvers with opposed checks to keep TotM battles fast, tactical, and fun.

Streamlined Shadowdark mount rules: melee bonus, charging with polearms, risks of bolting, gear and barding, mounts and costs, plus travel flavor.

Classic modules show early editions centered on negotiation and player ingenuity, contrasting with later skill-driven, performative approaches.

OSR-inspired herbalism rules add strategic foraging, preservation checks, an expanded herb list, Ranger balance notes, and GM tips to your Shadowdark games.

Proposes a universal 10s/5s critical scheme for Chaosium percentile games to speed resolution, add special failures, and reduce sheet-checking.

Argues for XP-based advancement in D&D, rewarding non-combat play, encouraging agency, easing pacing, and doubling as a memory log for your campaign.