i totally see where you're coming from but i think attackinghis speed as "hurr durr my speed goes through ur shield " is a bit unfair because that is the entirety of his technique.
Even when he wasnt doing it at max output like in the examples you mentioned, the core of his combat style was to dish out singular instances of strong dmg it was just whether or not he needed all of his strength to do it (hence the extended fights w/ those closer to him vs the faster fights against those stronger)
i do take your point where we dont really get to see the training so it isnt as "believable," but i disagree slightly just because jiwoo is a prodigy in combat and power utility w/ a mentor who is equally as innovative. Its cannonical that Kayden has honed and focused exclusively on combat power. A lot of his "power ups" come from him putting what kayden teaches him together and his instinct.
@Fayfay like here kayden innovated a technique to boost that atk but it was up to jiwoo to figure out when to use it most effectively
speed doesn't allow the same flexibility that a lot of the other powers do (like the ones u mentioned) bc its so straightforward, again its canonical that jiwoo steuggled more than others if ppl know whats coming.
Comparing his fights to armwredtling is actually really accurate bc they do come down to either 1- who has a steonger instance of power or 2- who has the stronger defence, as roist said before "its a simple technique but if you lack the power youll fail" (smth like that)
i also think its important to point out that jiwoo has SIGNIFICANTLY more combat experience than a lot of other peers and disciples. Again its been noted many times that high rankers and their disciples dont like to fight bc of the power shifts and reprecussions that can happen.
