是永久的吗

是你给他吃的东西加的临时属性，你给他提供的粥所以加了14点力量 在奴隶的物品栏正下方有食物加的临时属性点，看一下就知道了

These foods, aside from Cooked Pork Rinds, also give a 10% damage buff while Cooked Pork Rinds provide a 25% damage buff instead.
The 25% damage buff from Cooked Pork Rinds has superiority over the 10% boost, so you can switch to a more efficient healing food, like Gruel, after giving them the larger buff.

练级的时候炫烤肉排，增加活力成长，现在活力是最有用的属性。满级后都喝粥，提高力量伤害