According to Hidetaka Miyazaki, the Elden Ring DLC will introduce bosses that are in no way less challenging than the legendary Malenia. In his interview, Miyazaki discussed some of the most hidden elements of Shadow of the Erdtree, the release date of the expansion (June 21), and the new adventure related to Miquella. 

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The game director stated that the approach to difficulty remains unchanged, so veteran players can relax, or more accurately, brace themselves again after the expansion's release. 

We want to create a challenging experience that will test players and give them a sense of satisfaction and enjoyment as they overcome these difficulties.

He emphasized that there is freedom in approach and a breadth of strategy. Players can take on the challenge immediately, later, or even bypass it altogether. Hidetaka Miyazaki explained that this philosophy from FromSoftware is carried over into Shadow of the Erdtree. 

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And again, for our more hardcore players, they will find optional bosses that are tuned just like Malenia, whom, I'm sure, you remember from the base game, and which are not critical.

Malenia, the Goddess of Rot, was a tough boss in Elden Ring, even though she was in a completely optional area. Miyazaki's comments suggest that the new DLC will include optional areas with optional bosses, indicating that a more expansive adventure awaits.

Main image by Easy Diffusion