I need combos for Onion Knight.

[Haruhiist]

^If you do it right, and you're already attacking before the enemy is even vulnerable to attacks, it's more or less a 100% hit.

[Lelouch()]

Multi-Hit -> Extra Slice -> DC -> Turbo Hit -> Guiding Swipe

I don't find this combo to connect with human players, even when I used RDC it only works 90% of the time

[Some Character]

I don't find this combo to connect with human players, even when I used RDC it only works 90% of the time

Sounds like just a combo for inexperienced people then.