BLOOD/MUSHIN 1 : 68 CRIT
MUSHIN 2 : 168 CRIT
BLOOD 3: 75 CRIT
BLOOD/MUSHIN 4: 78 CRIT
BLOOD 5 : 199 CRIT
BLOOD/MUSHIN 6 : 88 CRIT
BLOOD 7: 214 CRIT
BLOOD/MUSHIN 8: 221 CRIT

This seems to be the best way to maximize stats based on Crit>HP>Evasion>Defense>Block/Accuracy.

*has been changed from original, overlooked some key components in the doc

#1 Mushin (4020HP, 68C)

#2 Mushin (2540HP, 168C, 71D)

#3 Bloodshade (2650HP, 175B, 75C)

#4 Bloodshade (2770HP, 183E, 78C)

#5 Bloodshade (3000HP, 199C, 84E)

#6 Mushin (3120HP, 206D, 88C)

#7 Bloodshade (3230HP, 214C, 91D)

#8 Bloodshade (4290HP, 221C)

Total (with set bonuses) - 26,270 HP; 1111 Crit; 479 Evasion; 368 Defense; 175 Block; 70 Accuracy.