In this world of hell " Levin" spent every second killing the mosters ruthlessly he forgot how much time has passed all he remeber is killing these monstees and that was what he was doing , in all this time he had become so strong that he doesn't even need to charge like a beast to kill the mosters after all so much time has passed that he can now use his powers freely without getting tired the power he is more profeccient is "fire" or we can say element after all this time what 'levin' could understand is that he has three elements "fire,wind and shadow/darkness". Levins fire element is the strongest right now because for killing monsters this is the most efficient way and for wind element he undestand is that he can use ' wind' to shield himself and at the same time attack his enemy . Levin can use his "fire and wind " element in many ways he has created "spells" like "flame explosion,ignite" and a couple others for fire , rhe same goes for ' wind' like , " wind shield , gale cutter" , and he also created multiple combination spells and one of them is "Fire tornado". He also has the element "shadow/darkness" but he has very less knowledge about it and really can't understand this element but what made 'levin' certain is that this is the most powerful element out of all.
He had tried to understand his third element like the other two because he knows that this element has almost infinite properties if he can understand it because after when he first started to learn about his 3rd element something happend he made himself a weapon out of shadows and he can change the form of whatever weapon he likes , he has always slaughterd monsters with a sword or odachi and like that his swoedsmanship became refined he created hi own bizzare technique and he called it " Dragon slaying technique" he named it after his deep hatred towards dragons.
In this place of hell where everyplace is filled with blood he still remembers the faces of his family the pain they went through the agony,their screams he still remebers his old days how peaceful his life was with his family but now there's nothing , he still has his sanity. When he first arrived and started killing monsters he understood that he can become strong by killing them and from then on he hasn't left any monster alive , he also sensed a strange occurrence in his body after killing the monsters then after that he examined his body while meditating and he was right in his body there exists "3 round circular cores" from which he understood the pattern on his biceps and after that he made sure to meditate so that he can make sure to use his power precisely and not make any wasted movements at first it was hard but after practicing everyday it became a rourine from then onwards he has never exhausted himself even once .
But right now he has reached an end , and there he saw one last monster and then he realized that he has somehow spent whole 10,000 years in this hell and now all he had to do is kill the giant monster who is towering over 30 meter's from him and he can leave this hell hole , Levin charged right at him and he used his combine spell that he has created "fire tornado" the giant got engulf in the flames and Levin leapt in the sky using his shadow element he made an odachi out of it and sliced the giant's head and with his whole power he smashed punch on the ground and the space time trap that the dragon creadted shattered and after 10,000 years for the first time he inhaled fresh air.