Tamayo
Inside their initial come across, Muzan turned into Tamayo on a demon to help you eliminate the girl disease, concealing out-of the woman the genuine consequences of one’s transformation and thus causing the loss of the lady spouse and kids. Similar to Nezuko, Muzan opinions her as a pain in the neck in order to your immediately after she is actually freed away from his control, and you may wishes for her to-be killed. The guy don’t hesitate to mock Tamayo regarding the eliminating the girl partner and students also happening an effective rampage of anxiety eliminating other individuals in the process, placing most of the fault on her behalf in place of taking obligation the from it.
Although not, abreast of understanding that she endured absolutely no risk of winning, Tamayo’s mental state was entirely beaten, the girl manage and you can determination changed by a beneficial docile, servant-like demeanour.
not, on witnessing Yoriichi’s astounding fuel and you may experience during the their fight with Muzan, Tamayo’s care for in order to eliminate him was reignited, resulting in the woman in order to once again refocus this lady efforts onto conquering the latest Demon Lord and you may resume this lady look toward doing medication having weakening or destroying him.
In line with the familiarity where in fact the a few conversed on stop of your facts, while the undeniable fact that she is actually beside your when he battled Yoriichi, suggest that he performed have some affection to possess Tamayo, regardless if as to why in the never ever shielded.
Devil Slayer Corps
However with this new signing up for away from Yoriichi Tsugikuni along with his creativity and you will pass on of one’s Breathing Appearances Techniques, Muzan slowly turned more and more familiar with him or her and keep an even more keen vision on the rapidly increasing organization owed for the today reasonable hazard they now posed to him just like the they started to annihilate his authored demon’s because of the many thanks a lot on their newly obtained process.
Although not regardless of this and you may on account of his very own astounding arrogance and you may excessive pride, Muzan himself initial bared virtually no worry toward recently empowered demon slayers along with facts alternatively became curios to your slayers themselves inside the initially several years of the brand new Slayer’s “Wonderful Ages” additionally the specific alter and you will upgrades the breathing appearances performed so you can their health and as an alternative developed the desire to research such actual upgrades in close proximity to greatly help their own look.
Ultimately, through to persuading brand new renegade Demon Slayer to transform on the a devil, Muzan properly explored and you may learnt their anatomy and you will biology due to the fact a beneficial effective Inhale Associate plus the upgrades then done to their human body abreast of transforming on the a devil. After performing this, Muzan reported that he previously following destroyed a lot of need for the newest Devil Slayers.
However so it therapy easily changed through to almost are slain by the Yoriichi Tsugikuni. Muzan quickly turned into so much more vicious and you can paranoid to the Demon Slayer Corps through to understanding that people that is also really destroy your carry out in reality are present and that the strategy to accomplish this are located just with this new Corps, evoking the devil progenitor so you’re able to now grab more active attempts to annihilate brand new Demon Slayer Corps and first started taking far more mindful and you will intricate steps to help expand guarantee his or her own defense 
on second 100 years on account of his heightened paranoia.
Muzan himself, due to their selfish mindset and you will arrogant perspective and you will exorbitant pride, enjoys considered the fresh new Devil Slayer Corps as a small grouping of unnatural,obsessive freaks just who constantly chase just after your under no circumstances due to help you their own belief he along with his demons is actually one thing comparable to a natural crisis, something which is really so harmful and you will eliminates some one, however, anything entirely inevitable and you may pure. And this the newest devil slayers are “strange” because of her or him carrying a beneficial grudge over losing their loved ones to them and contrasting its rationalized anger to help you something as the absurd because carrying good grudge and selecting a struggle with sky,fire,planet otherwise water and in case there is certainly good disturbance,flooding,tree fire,storms otherwise twisters one to eliminates their family.