Start from the top to bottom

10.  Whenever Ash met up with Paul

9. Gohan VS Cell

8. Eren VS Annie

7. Naruto(premature tail beast state) VS Pein

6. Seras VS Valentine ghouls

5. Roy VS Envy

4. Obito saw Kakashi kill RIn

3. Ichigo (Vasto lorde form) VS Ulquiorra

2. Kirito VS the Salamander mages

1. Issei VS Diodora