Ring of Earthly Movement

Functions as a ring that must be attuned.
{t}As an action, can burrow speed of 40 until
the start of your next turn (1 charge).
Has 7 maximum charges, regains 1d6+1 charges at sunrise. If you use the last charge, roll a d20: on a 1, becomes non-magical.
"There is nothing so dangerous as a wounded animal."
—James Tiberius Kirk