2. If food effects can be superimposed, the attack panel displayed should be 554 instead of 476. This means that the food BUFF will be covered and cannot be superimposed. Food effects cannot be superimposed, only covered. Only the last food BUFF that the character eats will take effect, not that multiple food buffs will take effect at the same time.
3, the best food guide can the food effect be superimposed? In fact, this problem can't be superimposed if you think about it casually, otherwise it will be too strong.