The king rules

In endgames, the king is indeed a powerful piece. In the diagram position it is Black to move and he found a way to show the strength of his king and to win the game. What did Black do to let his king rule?

PPT - Monarchs following the rules? PowerPoint Presentation, free download - ID:2061223

The King: His strengths and weaknesses –

Louis Adolphe Thiers - The king reigns but does not govern.

Configuration Chess

Rules of Kubb — Kubb United

Chess Rules For Castling, Checkmate, Stale, Draw, Pawn

Stephen King Rules Kids T-Shirt for Sale by Yipptee Shirts

Check Rules – The Basic Rules of Chess for Kids – Chessmatec

The True King Rules

Rules for Kings – Visual Theology

A.N.N.A. Rules, Family Guy Wiki

The new Skull King! - The Board Game Family

The king rules

King's Cup Rules And Gameplay - August 2023 - Tenemu