The Legend of Zelda: Breath of the Wild - The Master Trials
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The Legend of Zelda: Breath of the Wild - The Master Trials Media
The Legend of Zelda: Breath of Wild DLC Pack 1 - Master Trials Demonstration - Nintendo E3 2017
The Legend of Zelda: Breath of the Wild - Expansion Pass - Nintendo E3 2017
Critic Reviews for The Legend of Zelda: Breath of the Wild - The Master Trials
The Master Trials doesn't make any epochal changes to the established Breath of the Wild formula, but by packing in one of the game's best quests, some welcome new features, and a hard mode to be reckoned with, it more than paves the way for the starrier story expansion to come.
Trials is a hodgepodge of stuff that should have been patched in and stuff worthy of extra development time, but since there's still another chapter that promises a new narrative and a dungeon -- the Season Pass might be worth the full price yet. Until then just ask yourself how much you play Breath of the Wild, read some trusted opinions, and go from there.