This was an aha for me: It is a spell, as with sigils.
KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL KETOL