Reaper's actions in order after dropping any of his sustained spells.
1. Reactive weapons focus (simple action)
2. Cast Improved Reflexes +3 and sustain with foci
[ Spoiler ]
DR: 1,1,1,1,3,8
#D 6, TN 3, #S 2
Dain: 2,2,2,3,4,4,5,5,5,5,10, 11,16
#D 13, TN 2, #S 13 No Drain
3. Cast Improved Invisibility and sustain with foci
[ Spoiler ]
DR: 2,2,2,3,3,4
#D 6, TN 4, #S 1: One success to resist
Drain: 1,2,3,4,4,5,5,5,7,9,15,14,17
#D 13, TN 7, #S 5: M--> No drain
[ Spoiler ]
Drop that and recast as only one success
DR (with 2 spell pool dice): 1,1,2,2,3,5,5,10
#D 8, TN 4, #S 3: Need 3 successes vs. TN 6 to resist
Drain: 1,2,3,3,3,4,4,4,5,5,8
#D 11, TN 7, #S 1: Med drain
Time to heal: 2,2,2,3,3,3,3,4,4,8,9
#D 11, TN 2, #S 11
Base time 180 min: Divided by 11 = 16 min
Ughhh, how terrible
4. Rest if needed
5. Return to Astral perception
Looks like Reaper's got Med stun that'll take 16 min to heal.