Frieren Isn’t All-Powerful: Here’s the One Weakness the Heroine of the Hit Anime Tries to Hide

Some of her enemies had suspected this.
The mage from Frieren: Beyond Journey’s End is a living legend among sorcerers, her magical prowess seemingly limitless. But even someone as powerful as Frieren has suffered defeats — not at the hands of stronger foes, but at the hands of clever ones.
It turns out her greatest vulnerability isn’t brute force — it’s timing. Some of her most cunning enemies have figured out how to strike the moment she casts a spell. Right after chanting, Frieren’s ability to sense magic weakens for a brief window, making her a prime target for ambush.
However, Frieren doesn’t stay vulnerable for long. Over the years, she’s trained to turn that weakness into an advantage. Through rigorous practice, she’s learned to mask her mana flow completely — creating the perfect illusion for demons and even elite magic users like Aura and Flamme. Her deception is so refined, even they can’t detect the slightest shift in her energy.