When he reaches 100% Heat, he starts Overheating, gaining bonus Attack Speed and granting his basic attacks bonus damage, but making him unable to cast spells for a few seconds.
Deals less damage for each unit hit and resets when the axes reverse direction.
Lead the front to start a fight and use your ultimate to do the most damage possible.
Deals 20% increased damage for each Attack Jax dodged max: 100%.
For effective trading, try to position such that only the enemy champion is hit.
You can then follow up with your other abilities.