Trying to update it as good as I can with side and one-time characters.
For now however just the main protagonists I can think of.
the characters inside the tiers are ranked within subtiers. However inside these subtiers there is no further ranking
S-Tier
EOS Sesshoumaru
-
Fully Merged Naraku
Magatsuhi
EOS Kagome Higurashi
Midoriko
-
EOS InuYasha
A-Tier
4th form Naraku
Meidou InuYasha
-
Meidou Sesshoumaru
-
EOS Sango
Shishinki
B-Tier
Final Form Moryoumaru
Dragon scealed InuYasha
3rd form Naraku
Kikyou
-
Toukijin Sesshoumaru
-
Kongosouha InuYasha
Kazaana Miroku
C-Tier
To be added