You can use all of Jax's abilities when Counter Strike is active, make sure to time it correctly to dish out damage while making physical attacks against you miss.
Time Empower to hit an enemy on a third consecutive attack to combine with Grandmaster's Might's passive.
Jax's ultimate, Grandmaster's Might, has an active that provides bonus armor and magic resistance for 8 seconds. Use it immediately before a teamfight to have survivability during the engage,
LoL Jax players will find him to be a confusing character to build out properly. You will find that his build varies when he is playing against either well-rounded or specialized team comps, indicating you shouldn't select the same Jax build every single game of League of Legends
The most critical items to use in your champ's build are: Trinity Force, Maw of Malmortius, and Death's Dance. Players who added these pieces in their setups had a much better win rate than players who utilized other item builds for Jax. Moreover, if you are trying to beat a varied enemy team composition, you should strongly consider getting him the Precision, and Inspiration runes. In recent matches, he won the largest fraction of his games when using these runes.
We calculated our Jax build guidance by analyzing 50,038 recently ranked LoL rounds with him in them. We only recommend the highest winrate Jax builds that were used by ranked players enough times for us to reccomend them. With so many matches in our dataset, we are very confident in our recommended builds.