The automaton must be below a certain % MP to trigger the convert.
Three minute recast.
Instantly reduces the automaton's hit points by half, and adds that many magic points over a period of ten ticks.
Will not trigger if 50% of the automaton's current HP is greater than the automaton's possible mana pool, such as when using the Harlequin Frame. This is likely an oversight regarding the automaton's AI.