Damage rolls for Yang VS imps is very limited. Based on where Yang is, slot 2 or 4, his damage rolls have a different table.

By pausing to delay one of imps turn or Yang's turn, you can change future damage rolls and possibly change a 4 turns into a 3 turns.

Here's a list of all the bad damage rolls for slot 2:
 12,20,13
 12,20,20
 13,32,33
 14,36,18
 16,21,29
 23,13,14
 25,33,15
 25,33,15
 33,14,22
 33,27,16

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Seed - damage rolls for slot 2

  3 - (30,12,32),kill right,(31,28,0)
 18 - (12,32,28),kill left,(0,28,25)
 21 - (27,20,24),kill right,(12,20,0)
 22 - (23,13,14),kill right,(12,20,0),kill top,(23,0,0)
 33 - (13,32,33),kill top,(12,0,13),kill left
 45 - (28,23,34),kill top,(12,0,13)
 57 - (29,13,22),kill top,(36,0,35)
 68 - (30,21,16),kill top,(36,0,35)
 69 - (37,30,21),kill top,(0,0,32)
 81 - (33,14,22),miss left,(20,14,35),kill top
 86 - (31,28,25),miss left,(20,14,35)
 89 - (14,37,30),kill right,(24,0,0)
 97 - (16,21,29),miss left,(20,14,35),kill left,(0,30,0)
106 - (12,20,13),kill left,(0,31,18),kill right
110 - (26,12,20),kill left,(0,31,18)
113 - (36,18,35),kill top,(36,0,37)
120 - (14,36,18),kill left,(0,31,18),kill right
130 - (33,30,22),miss left,(30,12,32)
152 - (13,34,28),kill top,(35,0,36)
172 - (30,13,34),kill top,(35,0,36)
173 - (23,36,31),kill right,(27,15,0)
174 - (36,31,18),kill right,(27,15,0)
193 - (12,20,20),kill top,(15,0,17),kill left
203 - (14,35,32),kill left,(0,24,13)
219 - (33,27,16),kill left,(0,24,13),kill right
222 - (25,33,15),kill left,(0,24,13),kill right
227 - (27,15,25),kill right,(32,33,0)
228*- (25,33,15),kill left,(0,24,13),kill right
240 - (31,27,15),kill right,(32,33,0)
245 - (33,15,30),kill right,(32,33,0)
248 - (34,15,33),miss left,(11,36,18)