The only thing that feels similar to DoS2 to me is the origin system, which they probably kept because multiplayer is a big part of Larian’s appeal (and likely one of the major reasons they were picked by WotC).

It feels much more influenced by Dragon Age than DoS2 on the whole.

“But his mind saw nothing of all this. His mind was engaged in a warfare of the gods. His mind paced outwards over no-man's-land, over the fields of the slain, paced to the rhythm of the blood's red bugles. To be alone and evil! To be a god at bay. What was more absolute?”