diff --git a/common_libs/test_framework/adversaries/WallsBot/WallsBot.json b/common_libs/test_framework/adversaries/WallsBot/WallsBot.json
new file mode 100644
index 0000000..f701136
--- /dev/null
+++ b/common_libs/test_framework/adversaries/WallsBot/WallsBot.json
@@ -0,0 +1,9 @@
+{
+  "name": "WallsBot",
+  "version": "0.1.0",
+  "authors": ["Test"],
+  "description": "Traces arena perimeter clockwise — test adversary for lead prediction",
+  "gameTypes": ["classic", "1v1"],
+  "platform": "Nim",
+  "programmingLang": "Nim"
+}
diff --git a/common_libs/test_framework/adversaries/WallsBot/WallsBot.sh b/common_libs/test_framework/adversaries/WallsBot/WallsBot.sh
new file mode 100755
index 0000000..937faf7
--- /dev/null
+++ b/common_libs/test_framework/adversaries/WallsBot/WallsBot.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+cd "$(dirname "$0")"
+exec ./out/WallsBot 2>> /tmp/wallsbot_stderr.log
diff --git a/common_libs/test_framework/adversaries/WallsBot/config.nims b/common_libs/test_framework/adversaries/WallsBot/config.nims
new file mode 100644
index 0000000..594b66e
--- /dev/null
+++ b/common_libs/test_framework/adversaries/WallsBot/config.nims
@@ -0,0 +1,2 @@
+--path:"../../.."
+switch("outdir", "out")
diff --git a/common_libs/test_framework/adversaries/WallsBot/src/WallsBot.json b/common_libs/test_framework/adversaries/WallsBot/src/WallsBot.json
new file mode 100644
index 0000000..f701136
--- /dev/null
+++ b/common_libs/test_framework/adversaries/WallsBot/src/WallsBot.json
@@ -0,0 +1,9 @@
+{
+  "name": "WallsBot",
+  "version": "0.1.0",
+  "authors": ["Test"],
+  "description": "Traces arena perimeter clockwise — test adversary for lead prediction",
+  "gameTypes": ["classic", "1v1"],
+  "platform": "Nim",
+  "programmingLang": "Nim"
+}
diff --git a/common_libs/test_framework/adversaries/WallsBot/src/WallsBot.nim b/common_libs/test_framework/adversaries/WallsBot/src/WallsBot.nim
new file mode 100644
index 0000000..53200f0
--- /dev/null
+++ b/common_libs/test_framework/adversaries/WallsBot/src/WallsBot.nim
@@ -0,0 +1,24 @@
+# WallsBot — traces arena perimeter clockwise. No firing; pure evasion target.
+# Turns right 90° on wall hit, then charges forward at max speed.
+
+import std/os
+import tankroyale_botapi
+
+const botJsonPath = currentSourcePath().parentDir / "WallsBot.json"
+
+type WallsBot = ref object of Bot
+
+method onRoundStarted*(bot: WallsBot, e: RoundStartedEvent) =
+  setTurnRate(90.0)  # begin with a right turn to face along the nearest wall
+
+method onHitWall*(bot: WallsBot, e: HitWallEvent) =
+  setTurnRate(90.0)  # turn right 90° then keep going
+
+method run*(bot: WallsBot) =
+  while isRunning():
+    setTargetSpeed(MAX_SPEED)
+    go()
+
+when isMainModule:
+  var bot = WallsBot()
+  start(bot, botJsonPath)