Tu garderas ton ermite indéfiniment.
La règle exact de vanishing est la suivante :
Citation :
702.62 Vanishing
702.62a Vanishing is a keyword that represents three abilities. "Vanishing N" means "This permanent enters the battlefield with N time counters on it," "At the beginning of your upkeep, if this permanent has a time counter on it, remove a time counter from it," and "When the last time counter is removed from this permanent, sacrifice it."
702.62b Vanishing without a number means "At the beginning of your upkeep, if this permanent has a time counter on it, remove a time counter from it" and "When the last time counter is removed from this permanent, sacrifice it."
La partie importante est que la capacité à ce qu'on appelle un "intervening if" qui fait que la capacité ne se déclenchera pas s'il n'y pas de marqueur sur le permanent.