Future Gohan vs Android 17 & 18 (Hard Mode No Damage) | Dragon Ball Z Kakarot 

Restrictions:
- Minimum Level
- No "Know-how" skills
- No Items
- No Status Boosts
- Default Super Attacks
It took me a few days of grinding this fight but I have finally done it no damage. This experience was very painful but also a lot of fun. I decided to no damage this fight on a whim but I'm probably gonna start no damaging the main story battles from this point forward.