Does it bug?
From TOS mechanics in GitHub.
http://www.uppic.org/image-C29A_57EA0244.jpg
I have tested in game before server maintenance, My char only get 10 buffs max with Daino, token, attribute.
If calculate number of buffs by using buff limit from mechanics above : 7 (Basic) + 6 (Daino) + 1 (Token) + 1 (Attribute) = 15 buffs

