Gwen's research into the Five Charms of Bazell tells her they grant the wearer the power of luck, fire, levitation and reincarnation. That's four. Nothing is said about what the fifth charm does (which later proves to be animation). Neither Gwen, Ben or Max wonder about it.
Previously, Grandpa Max has stressed heroism being its own reward, chiding Ben for accepting any glory or rewards for it. Now he raises no objections over Ben (as XLR8) posing for a self-aggrandizing photo op, feeling he richly deserves it, or accepting a box full of gifts in return for defending a museum against a criminal.