Gwen Tennyson:  It looks like it 's one of the Charms of Bazell .
Ben Tennyson: But you destroyed all those in that cemetery fighting that Hex creep .
Gwen Tennyson: I thought I did , but this is the legendary lost Keystone . It 's rumored to increase ten times the powers and the skills of the _ one _ who possess it .
Grandpa Max: Well , the legend seems to be fact , not fiction .