Summary
When the time comes to see the state of the universe inMass Effect 4, the fate of Wrex and the Krogan will need to be addressed. As one of the major alien species in the series, as well as one that has a major storyline related to them, ignoring them inMass Effect 4would be impossible. Even before adding anything new, important questions involving the Krogan need to be answered in the next game in the series. Even if a completely new chapter is starting, lore from the past still needs to be properly explained.
As a series mainstay,Mass Effect’s powerful Krogan raceshould be familiar to fans. A species of bulky, heavily-armored, vaguely reptillian-looking warriors, they have a reputation as one of the most powerful species in the universe, and that reputation is not misplaced. Each of the Krogans from past games, Wrex, Grunt, and Drack, ended up being the tanks of their respective team, able to take a lot of hits and dish out heavy damage in return. Likewise, the Krogans that Shepard’s crew wound up fighting were often the toughest among their foes. While not the only powerful fighters inMass Effect, Krogans were easily among the mightiest.

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Mass Effect 4 Needs to Explain What Happened to Wrex and the Krogan
The most consequential moment inKrogan history inMass Effectwas the development of the genophage. Once Krogans properly entered the galaxy, they quickly and aggressively expanded their territory, eventually leading to a war known as the Krogan Rebellions. Even fighting against multiple opposing forces, the Krogans' strength combined with their great numbers made them difficult to fight, and they were considered among the galaxy’s greatest threats. This led to the introduction of a bioweapon known as the genophage, which caused the vast majority of krogans to not survive their birth, resulting in the species eventually being driven close to extinction.
Also important to Krogan history in the series is one ofMass Effect’s best companions, Wrex. Initially encountered as a mercenary, Wrex is arguably one of the most iconic character to join Shepard’s crew in the series. Although he’s only a crewmate in the first game, he significantly elevates his position in the sequels by becoming the leader of the Krogan on their homeworld, Tuchanka. Wrex aims to rework Krogan society, and make them known for being more than just warriors while revitalizing the species. In the process, he also treats Shepard like an old friend, showing the warmth beneath his tough exterior.
There is a lot of uncertainty surrounding the future of the Krogans in the aftermath ofMass Effect 3’s ending. It’s actually possible for Wrex to die in the first and third games, potentially depriving the Krogans of a fantastic leader. In addition, in one of the crueler moves that a Renegade Shepard can make, it’s possible to not cure the genophage, dooming the Krogan to continue dying out. The fates of the Krogan as a species hinge greatly on how these specific events played out. InMass Effect 4, these questions will urgently need a canonical answer to know their future.
It’s hard to imagine aMass Effectgame without Krogans, which is whyMass Effect 4needs to clarify their status. WhilebasingMass Effect 4’s canon on past choicescan seem precarious, the developers will need a firm choice regarding what decisions Shepard made for the Krogans. Even if Shepard’s role isn’t explicitly described, the state of the Krogans by the fourth game should be enough to explain Shepard’s canonical actions.Mass Effect 4will have a lot of details to pay attention to, and Wrex and the Krogans seem the most in need of establishing.
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