Transformers: Armada

In a world where transforming robots known as Transformers live among us, a group of humans and their Autobot allies must band together to stop the evil Decepticons from harnessing the power of the Mini-Cons, a race of smaller robots that have the ability to enhance the power of their partners. Led by Optimus Prime and Megatron, both sides engage in an epic battle to possess the three Mini-Con weapons, including the Star Saber and the Skyboom Shield, which can counter the power of the Star Saber. As the battle rages on, a mysterious mercenary named Scavenger and an Autobot drifter named Sideways enter the fray, causing tension and betrayal among both sides. Meanwhile, Rad, Carlos, and Alexis, three human friends who have befriended the Autobots, discover the Requiem Blaster, a third Mini-Con weapon that has been hidden on Earth. As the Autobots and Decepticons fight for control of the Mini-Con weapons, they are unaware that a greater threat looms ahead. Unicron, an ancient and powerful transformer who has been dormant for millions of years, is awakened by the fighting and seeks to destroy both sides. In a final showdown between the Autobots and Deceptcons, Galvatron, a former Decepticon who has betrayed his own kind, sacrifices himself to end the cycle of hate that allows Unicron to exist. With Galvatron's death, Unicron mysteriously disappears... for now. The fate of both sides and the future of their war remains uncertain as the Mini-Cons continue to hold the key to their power.

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Some TV shows that have similar genres and were produced around the same time as Transformers: Armada include Scavengers Reign, Made In Abyss, Invincible, Jurassic World: Chaos Theory, Bleach, Lunar Legend Tsukihime.