looking for manga: the mc has white hair and violet eyes i think he used to be in the strongest party but got kicked out for being useless. then he starts working for a adventurer that used to work for the royal family and it turns out he can make special magic stones and his old party can't do what they did before because their weapons costed a lot of magic power that they couldn't supply but the mc adjusted to that and gave them enough mp to do that but now that he's gone the dude who used a sword that has fire won't have fire anymore and the healer can't heal quick enough but there is one party member that knows that they can't do anything without the mc
looking for manga: the mc has white hair and violet eyes i think he used to be in the strongest party but got kicked out for being useless. then he starts working for a adventurer that used to work for the royal family and it turns out he can make special magic stones and his old party can't do what they did before because their weapons costed a lot of magic power that they couldn't supply but the mc adjusted to that and gave them enough mp to do that but now that he's gone the dude who used a sword that has fire won't have fire anymore and the healer can't heal quick enough but there is one party member that knows that they can't do anything without the mc