There was nothing special about the rest of the Golden Fruit. They were meant for power replenishment, with the same effect as grandma's rice porridge, instantly restoring stamina to full.
Mu You paid special attention to the daily double Experience Card.
This feature was only activated when fighting wild beasts, which severely limited its usefulness.
However, it mentioned in the instructions that these cards could be stacked. But the calculation was additive instead of multiplicative, only doubling basic experience. If you used two Experience Cards simultaneously, the final experience would be tripled, not quadrupled.
So, if you used three cards in a row, slaying one monster would yield four times the experience, and four cards would give five times the experience, and so on...
