Spirit Guardians

{e}{t}, holy symbol: You call spirits that flit
around you. If you are good/neutral, appear as
angelic/fey(Radiant dmg). Else fiendish
(Necrotic dmg). When cast, you can designate
any number of creatures you can see to be
unaffected by it. Affected creatures' speed is 1/2
in area, & when creature enters the area for the
1st time on a turn or starts its turn, it must make
a WIS save. Takes 3d8 on fail, halve on save.
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