Hal writes the Eschaton rulebook

texture · YPW (2005)

• When: UNDATED within YPW (2005; Hal ~13)
• What: Pemulis commissioned the young Hal to author Eschaton's book-length "vademecumish" rulebook — appendices, EndStat decision-tree diagrams, an offset essay on game theory — a prodigy-writing artifact E.T.A. kids still memorize to anesthetic depth. A lexical/compositional-prodigy fact whose consequences land in YDAU (see events 65, 75).