Boots of Tremorsense

{c}Requires Attunement
You use a bonus action to speak the command
word and click the boots' heels together. You gain tremorsense to a range of 30 ft. If you click your
heels again, the effect end. This effect lasts up to
10 mins. all at once or in short bursts each
a minimum of 1 min. During this time, you can pinpoint the location of precious metals and
stones, such as coins and gems, within range.
After 10 mins. of use the boots cannot be used in
this way again until you finish a long re