The first trailer of the major add-on Sentinel for Path of Exile

At the moment, Grinding Gear Games is holding a live broadcast in which tells all the details about the upcoming major expansion Sentinel for Path of Exile.
But the creators have not forgotten about ordinary mortals and released the first full trailer of the add-on in which we can learn, and see, the main changes in the game.
For example, we can see the standalone companions, that accompany the players in battle.Path of Exile: Sentinel is released on May 13 for PC and on May 18 for consoles.
The last major expansion and update for the free-to-play RPG was released in February, when Siege of Atlas and League of Nemesis.