It was originally a scar that he had in an accident when he saved his brother from a falling brazier. In Tanjiro’s journey to being the strongest Demon Slayer of all, his scar transforms into becoming a Demon Slayer mark which is fitting his Sun Breathing technique.
The key to this answer is Tanjiro himself. The mark has an ability to develop and resonate. Originally, the scar on Tanjiro’s forehead was merely a burn he received from saving his brother from a falling brazier.
As mentioned above, Tanjiro got his scar when he saved his little brother from a falling brazier. But it is not the only reason why Tanjiro got his scar. In the Final Selection where Tanjiro and many examiners joined to officially become a demon slayer. Tanjiro’s scar got worse when he faced the Hand Demon.
While reading we ran into the query “How did Tanjiro get his mark?”.
On how Tanjiro receives this mark, the interesting fact is that it originally wasn’t a mark. It was merely a scar born out of an accident where he saved his brother out of the way of a falling brazier. But soon, as Tanjiro ventures into his journey to become the strongest Demon Slayer, his scar transforms into a mark.
What is the black mark on Tanjiro’s head?
Initially, it appears this mark is a scar on the top right of Tanjiro’s head, explained in the manga later as what he believes to be a scar he received as a result of saving his brother from a falling boiling kettle.
What is Tanjiro’s Demon Slayer Mark?
The Demon Slayer Mark Tanjiro’s Demon Slayer Mark is no mere birthmark or an accidental scar anymore as he still believes. It’s a mysterious marking that appears on the bodies of an exceptionally strong Demon Slayer.
But gradually as Tanjiro keeps gaining powers and growing strong, we see the scar developing into a mark spreading across his forehead. We see four prominent forms of the mark through the storyline. The first form was his original frayed patch of skin. His second form marks the transformation of his scar after his fight with the Hand Demon.
Why does Tanjiro have a scar on his face?
It was merely a scar born out of an accident where he saved his brother out of the way of a falling brazier. But soon, as Tanjiro ventures into his journey to become the strongest Demon Slayer, his scar transforms into a mark.
Another frequent question is “What is Tanjiro’s first scar?”.
His first scar was light and thin. Slightly pink, it’s the first iteration we saw at the start of the series. After his training in the ‘Final Selection’, his scar darkened out and grew more throughout Tanjiro’s forehead. The scar became a Demon Slayer Mark. These marks can be acquired from birth or unlocked at a later date.
Who is Tanjiro’s father?
In the Sengoku Era, Yoriichi Tsugikuni and a few swordsmen that established the Demon Slayer corps possessed this mark. It is implied that Tanjiro’s father, Tanjuro Kamado also accessed the mark.