On page 232 of vol.1
"Example: Brother Herbert has a Healing BODY
2d6 spell (maximum effect 12 points, or 6
BODY). Brother Willem has a Healing BODY
2d6 spell, Decreased Re-Use Duration (1 Turn)
(again, maximum effect 12 points, or 12 BODY)."
In the first part the amount of Body Healed is calculated on the cost of 5e