Regenerate Cotton such as a tree or

such as a tree or shrub

and the sphere stops moving this turn

or it can remain and repeat its message whenever the trigger occurs

an invisible entrance opens to an extradimensional space that lasts until the spell ends

Regenerate Cotton such as a tree orYou touch a creature and stimulate its natural healing ability. The target regains 4d8 + 15 hit points. For the duration of the spell, the target regains 1 hit point at the start of each of its turns (10 hit points each minute). The target's severed body members (fingers, legs, tails, and so on), if any, are restored after 2 minutes. If you have the severed part and hold it to the stump, the spell instantaneously causes the limb to knit to the stump.