At the beginning of your turn, if the Hellcannon is not in combat, take a LD test. If the test is failed, pivot the Hellcannon to face the closest enemy unit. It is then subject to Random Movement (3D6) until the beginning of the next turn, except that it can only move forward. If the Hellcannon would get destroyed as a result of it being Unstable, treat this is rolling a 1 on the Hellcannon misfire table.
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