White Dragon Rune

When a creature you can see ends its turn within
30 feet of you, you can use your reaction to
invoke the rune and force the creature to make
a Wisdom saving throw. Unless the save succeeds,
the creature is charmed by you for 1 minute.
While charmed in this way, the creature has a
speed of 0 and is incapacitated, descending into a
dreamy stupor. The creature repeats the saving
throw at the end of each of its turns, ending the
effect on a success. Once you invoke this rune,
you can't do s