It's actually wild that Frieza died to a sword
Briefly

In Dragon Ball, Frieza's apparent death during the destruction of Namek is a pivotal moment, showcasing the series' escalating stakes. However, in a twist of narrative fate, Frieza survives this encounter. His next appearance features him being defeated by Trunks, the first Super Saiyan seen after Goku, who embodies 'coolness' with his purple hair and sword. This highlights the creative license taken within the series, where formidable threats can be easily dispatched through the introduction of new, intriguing characters, ensuring continuous engagement for the audience.
In reality, he didn't die because he needed to be fodder for the series' next new and mysterious character: Trunks.
When Trunks arrives on the scene, he automatically becomes one of Dragon Ball's coolest characters.
Frieza's body survived a lot of damage on Namek, even before he was sliced in half.
So how in the world can such an intimidating foe get done in by a sword? Easy: rule of cool.
Read at Polygon
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