diff --git a/.claude/skills/wizwar-duel/SKILL.md b/.claude/skills/wizwar-duel/SKILL.md
index 106e3ae..b461127 100644
--- a/.claude/skills/wizwar-duel/SKILL.md
+++ b/.claude/skills/wizwar-duel/SKILL.md
@@ -240,6 +240,21 @@ probing legality is free, so when unsure, try it and read the error.
   single-square terrain on a junction outlives every spell cast near
   it. Place terrain at junctions, not corridors.
 
+## Game-fourteen scars (the five-player raid race)
+
+- **Terrain is SOFT in tempo math.** I counted a thornbush and an ooze
+  square as two turns of delay on his banking route; DISPEL CREATION
+  removed the bush for one card and zero steps, and he banked that
+  same turn. Any creation (bush, ooze, wall of stone, stones) is one
+  card from gone — count it as HALF a turn of delay, never a wall.
+- On wide boards (5-6p cross), a raider in my quadrant carrying my
+  chest is usually UNREACHABLE by anything in hand — the interception
+  had to happen a turn earlier, at the grab, not the haul. Defend the
+  chest square, not the exit route.
+- My real boobytrap finally fired (4 damage to a warping bot) — traps
+  on WARP LANDING squares hit players who never see the token coming.
+  That placement doctrine is proven; repeat it.
+
 ## The passivity audit (Eric, after game thirteen)
 
 - "You did nothing but draw for several turns" — true, and fatal. A