Lee Sin's playstyle revolves around combinations of abilities and unit movements that enable powerful reactions to your opponent's plays

place it on GO

Logical puzzles and hidden clues stand in your way

Oxygen is running out

In addition to the cards

Obsession: Universal Rules Compendium Set Collection Lee Sin's playstyle revolves aroundObsession: Universal Rules Compendium (2026) is the definitive rulebook for those who want complete control over everything related to Obsession. This collection serves as a complete reference work where basic rules, expansions, variants, and special cases have been woven together into a single clear and well structured book. For many gaming groups, it quickly becomes an indispensable companion at the game table. Instead of jumping between multiple