As with any Soulsborne game, requires players to do some investigating to uncover its story, lore, and mysteries. The expansion left many mysteries unanswered, annoyingly, but this isn't surprising, since FromSoftware is known for leaving many aspects of the worlds it creates up to interpretation. Quite frankly, discovering and learning about the lore that the game doesn't overtly tell its players has become part of the fun and is something to look forward to in many Soulsborne games.
The expansion has done a decent job on elaborating on many aspects of the base game. This includes more on Miquella, since largely revolves around him, the Dragon Communion cult, how the Two Fingers and the Greater Will actually operate with the introduction of Metyr, and much more. Still, plenty has been left unanswered despite how vast is, and with no more DLC coming to these mysteries will only have theories for answers.
Elden Ring's Shadow of the Erdtree DLC is a victory lap for FromSoftware, bringing in elements from past games without losing what made it special.
Before the introduction of, Marika's family was complicated, but largely made sense. Prior to Messmer's inclusion in the family tree, the ages of the children of Marika and Radagon were known, with Godwyn being the oldest and Miquella and Malenia being the youngest. Now, it is a little less clear,since it is assumed that Messmer is the eldest, with Marika and Radagon being the parents, given that Messmer calls Marika his mother, and he has Radagon's red hair.
Messmer isn't the only demigod that complicates things, sinceit isn't known whether Melina is a demigod and a part of the family. With Radagon once being married to Rennala, the family tree is quite extensive, especially if Shadowbound Beasts are included. The mystery of whether Messmer is actually the eldest (he presumably is, but apparently had a brotherly relationship with Radahn) is certainly a confusing one, and the questions surrounding Melina don't help
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