The world established in Loki expanded substantially with the series' penultimate and final episodes. Even still, the focus of the narrative has remained with the Loki that audiences watched lash out then grow. Yet, other characters have gotten their respective moments to shine as well, frequently while in combat.
Many of the characters introduced to the Marvel Cinematic Universe by Loki are more clerical or humorous in nature. However, be it because of their physical prowess or their magical abilities, a few give the power-hungry Loki a run for his money.
Boastful Loki
Boastful Loki comes across as more a variant hybridization of Thor and Loki. Not to mention, he carries a similar hammer and makes it clear he'll use it to protect his king (Kid Loki). Even still, Boastful Loki is not given much of a chance to show viewers his physical prowess.
Boastful Loki's big scene comes when the variants discuss Nexus Events. He claims to have defeated both Captain America and Iron Man as well as capture all six infinity stones. He's swiftly called a liar. In time, his fellow Lokis' accusations ring true, as he has betrayed them all to President Loki and his onslaught of armed followers. Boastful Loki makes the audience doubt his Nexus Event just as much as his cohorts.
Alligator Loki
best Loki variants. This is particularly true in the scene where the Loki variants sit in a circle (with Alligator Loki in his kiddie pool) and discuss the Nexus Event that led to their discovery by the TVA.
Boastful Loki half-jokingly declares that Alligator Loki caused a Nexus Event by eating the wrong neighbor's cat. With this, he leaps from the pool and attacks. Later, when President Loki enters their hideout, Alligator Loki gets his greatest moment by removing the variant's arm.
Ravonna Renslayer
Ravonna is a fairly elusive figure even going into the season finale. She's authoritarian, expects compliance, and is honest with no one. This is especially true of her friend, Mobius, who she has pruned. While this disintegration process, as it turns out, does not lead to death, Ravonna Renslayer knew what she was doing.
That's the bureaucratic power of Ravonna Renslayer: she has the security force of the TVA at her fingertips. However, in her fight with Sylvie, Renslayer showed that she could be adept in physical combat as well. Regardless, it stands to reason that audiences will see a lot more of Renslayer's ability in Loki's second season.
Hunter B-15
Hunter B-15 was one of the initial TVA exposed to the lie, courtesy of Sylvie's magic. The power she showed in the decision to turn her back on what she knew and help Sylvie is a testament to Hunter B-15's emotional strength.
That emotional power is backed up by her physical power. Hunter B-15 has no problem taking Loki down when needs be, but her motive has changed. Placed in a TVA holding cell, she's released by Mobius M. Mobius. From there, she doesn't run back to her forgotten home. Instead, she informs other TVA agents of the fact that they are all Variants.
Kid Loki
Kid Loki claims not only did he defeat the version of Thor that existed in his timeline, but he also killed him. For this reason, he's deemed the king of the four Loki variants that audiences get to meet at the tail end of episode four.
If his tale is true, Kid Loki is the most powerful of the seven total Lokis viewers have met. There's even some reason to believe it, given Kid Loki displays a substantial amount of bravery in the episode. When it comes time to fight Alioth, he s the group as opposed to just surviving. Even still, it's hard to take a Loki at his word.
Classic Loki
In the fight with Alioth, episode five's main villain, Classic Loki was key. He arguably possesses more magic than either Loki or Sylvie and he uses it to distract the giant cloud monster.
Classic Loki has been beaten down a bit by time. Even more so, he's been beaten down by what the world has had to offer. He's exhausted, never having found his "glorious purpose". In meeting the series' protagonists, he finds it. Classic Loki has power in both his bravery and his magic. One he believes he lacks, the other he has in surplus. When he finds the self-confidence to engage in a selfless act, he reveals the power that's been there all along.
Loki
Loki's time traveler exploits have characterized him very deeply more than they have shown any increased physical power. Even still, the Loki that audiences have spent time with hasn't lost an agile step in combat.
Loki's true power now, save for magic, is having the ability to fight for someone he loves. While he's loved in the past, he rejected it. Now, with Sylvie, he wants his path to be something other than a power-mad circus of death and destruction. Loki is more powerful in the finale than the premiere because he's finally thinking of the future in a non-selfish way. When trying to stop Sylvie from bringing down He Who Remains, he's not thinking of his own safety...he's thinking of Sylvie's.
Alioth
The narrative of the series has, overall, avoided most of the standard trappings that come with an MCU project. However, episode five gave Loki the closest thing it's had to a comic book villain with Alioth. Alioth is a gaseous monster that oversees The Void: a dimension at the end of time. Apparently possessing an endless amount of power, the creature has a weakness: it technically serves a master.
Alioth shows its power when it devours the newest batch of variants sent to The Void. It flies through man after man, jaw agape, and leaves ash in its wake. Were it not for one character's magic, Alioth would be unstoppable.
Sylvie
Sophia DiMartino's Sylvie (Lady Loki) will almost certainly be one of the series' biggest character contributions to the over-arching MCU. Even if relegated to this one series, which is unlikely, Sylvie has displayed a surplus of both cunning and will. When engaging in a physical confrontation, the fortitude that she has developed over the years comes out in a full display. This frequently allows her to get the upper hand on an opponent.
Sylvie fights not just with purpose, but with everything. Her life has been stolen and she'll fight as hard as is required to at least get answers why. She's agile and possesses magical abilities, like the titular Loki. However, as The Enchantress, she can also cast an illusion large enough to entrance Alioth.
He Who Remains
Introduced to audiences (and the wider MCU) in Loki's finale, "He Who Remains" is somewhat of an enigma. Describing to Loki and Sylvie his ability to see the future, He Who Remains is able to dodge every blow before it even occurs. In reality, He Who Remains is actually Kang the Conqueror (or a Variant of Kang).
While Sylvie is able to kill He Who Remains (whose ability to see the future has run out), Loki is sent back to a different world. In this timeline, Kang has risen, and if the final shot of Loki's first season is any indication, he is fully in power over all around him. Loki and Sylvie, tricksters that they are, have been outplayed. Now, the future of the MCU appears to be in Kang the Conqueror's hands.