Hiker strats = Hiker in Mt. Moon + Onix Hiker + no split exp.
Lv. 4 strats = 2 Zubats in Mt. Moon + Machop/Geodude Hiker + no split exp.

Red bar for Bruno?
HP DV	Base	Change (Lv. 4 / Hiker) 
0	No	N/A
1	Yes	N/A
2	Yes	-58 / -18
3	Yes	-58 / -18
4	No	N/A
5	No	N/A
6	Yes	N/A
7	Yes	-58 / -18
8	Yes	-58 / -18
9	Yes	-58 / -18
10	No	N/A
11	Yes	N/A
12	Yes	N/A
13	Yes	-58 / -18
14	Yes	-58 / -18
15	Yes	N/A

Always in: 1, 6, 11, 12, 15
Varies: 2, 3, 7, 8, 9, 13, 14
Never in: 0, 4, 5, 10