The Intel Extreme Masters is ESL's flagship competition sponsored by Intel. IEM is a huge tournament spanning many months and individual competitions culminating in the Global Championships.
Season XII features a number of Global Challenges and a World Championship. Two IEM events have been announced for Season XII, one of them including a StarCraft II tournament.
- IEM Sydney (2017-05-06 – 2017-05-07) - This event will not host a StarCraft II tournament 
- IEM Shanghai (2017-07-27 – 2017-07-30)