CT: Comic Boxer + Boxing Ring DE
Basically the idea is that the user is able to imbue their punches with onomatopoeia that would be seen in a comic book (ie. BOOM!, POW!, SMASH!, THUMP!, WHAM!, etc.). Each one of the these onomatopoeia would have a different effect (e.g. BOOM!, might cause a small explosion in between the user’s fist and the point of contact with their opponent, CRUNCH!, might make the user more likely to break the bones of their opponent, and so on). The technique would also be visible, so in the instance of the BOOM!, there would be the word “BOOM!” in a red explosion cloud. The size of the word and it’s effectiveness would increase with the amount of cursed energy imbued in the technique.
The user could have a pair of red boxing gloves as their cursed tool. These would be pretty powerful, because they’d restrict the user from being able to perform hand signs, which are generally used to increase the effectiveness of a technique, and restrict the user from being able to do much with their hands other than punch.
The Domain Expansion would be a boxing ring (obviously), but the catch is, no cursed energy manipulation whatsoever would be allowed inside the domain. Both fighters would have to fight each other with no cursed technique and would be forced to box out 12 rounds (unless one of them gets KO’d or killed by the other, in which case they are forced to fight in the condition they left the ring, if they’re still alive). If the opponent/user loses by split decision, they lose half of their cursed energy output for a day (or maybe something less harsh idk), and if they lose by unanimous decision, the winner is given access to a punching bag that damages the loser’s soul directly, as well as the loser losing half their cursed energy output.
Anyone caught in the domain that the user didn’t have the intention of fighting becomes a spectator. Within the domain there are referee shikigami, that similarly to Higaruma’s Judgeman shikigami will fairly decide who the winner of the match is, and punish those who perform illegal moves within the ring (I haven’t decided how that would be carried out would love suggestions).
Lemme know what you think!