So then after that Cho had to catch her breath because she used up loads of mana to fire all the loads of fireball at the boss so she started to rest but then Sin-ui went up to the boss and then raised his right hand towards the boss's corpse.
He then said, "Collect." then suddenly the boss's corpse started glowing a white light and then the light started going closer to his hand and then the huge body disappeared and then he smiled.
Then he opened his inventory and checked what he got and so he opened his inventory and then saw he had an item called, "Growth Sprout" and it would improve the growth of his experience and skill experience as well.
After reading that Sin-ui asked Cho, "Can I have this?", Cho chuckled and said, "I wouldn't have gotten this strong if it wasn't for you, take it! But what about the goblin chief from before? Wasn't that a boss?".
Sin-ui then said while eating the sprout, "The only goblin bosses there are is the Goblin Champion, Goblin Shaman, Treasure Goblin and the Emperor Goblin." and then he age the sprout and then he started glowing.
[Ding! The Player Sin-ui's growth has increased by 25%!]
When Cho saw this he was insanely happy and then he said, "Cho are you ready to go to the next floor?", she smiled and then said, "Sure, what's it about?", Sin-ui chuckled as they were being transported.
So then after they were being transported and the place looked like it was a huge normal forest and so then Cho asked Sin-ui, "So what's the theme of this floor? It looks almost exactly the same as the last one.".
When she said that Sin-ui chuckled and then said, "This floor is about mastering your skills, it has a way for training for every type of person so we can't do this when were together, I'll go out alone first.".
He then started heading off to a cave he knew where would be a good training spot for people who uses swords like him but then he remembered he could try and check if there was anything hidden on the floor.
Then Sin-ui used the skill then saw that there was a special one-use artifact on the floor called "Magic Blast" which would blast out a huge wave of mana at your enemy and so he thought of using his ability on it.
After that he immediately started to look for the thing and so he went to the location said where it said the artifact was and it was actually near the magic training area so he then headed over there.
Sin-ui got to the location but it was just full of training equipment for mana training but then he activated his searching ability again and then looked at everything to see if it was hidden there.
But then when he looked at one of the cave walls it said it was hidden in there so then Sin-ui took his hand and then broke the wall trying to see if there was anything inside of it and then there was something inside.
So then Sin-ui took it out and found it was a prism and it was definitely the artifact so then he appraised it and saw it was definitely the artifact and then started to use his ability on it to copy the ability.
He then received the ability and then he tried it out on one of the dummies and then when he used it, his mana started gathering in his hand and then he created a nice blue ball then blasted it on one of the dummies.
Then the ball created a compact explosion but it didn't left anything behind nor the ashes of the dummy and so Sin-ui was really happy and the feeling of using magic was incredibly different.
Since it was his first actual magic ability and so Sin-ui felt absolutely thrilled and so he started adding some more stats to his mana stat since he didn't have that much use to it before and he had loads of spare points for defeating the hidden boss from before.
And then his mana increased by a lot and he also added a bunch more points to his other stats as well and now he was more stronge than before so he was really happy and he decided to train all of his skills a bit more.
So then for the whole week both Sin-ui and Cho stayed on the fourth floor and the food and drinks were provided on the fourth floor since that was the floor that needed energy the most for their skills to grow.
After the week ended Sin-ui was able to remember his swordsmanship to it's full mastery and also made some improvements and started learning another swordsmanship along side it as well.
He also gained a bigger control and understanding in his new magic ability while Cho was now able to control more elements that she couldn't have before and now they were stronger and more precise as well.
They then both met up to the exit of the floor and was about to leave it but then suddenly a huge quake appeared and shook the ground Cho looked at Sin-ui but even he looked confused.
[Ding! The Hidden Skill Boss has appeared!]
Sin-ui was incredibly confused since it definitely said there wasn't anything more hidden but he realized the boss only appeared now, so even his skill that finds hidden things can't find anything that hasn't appeared yet.
When they saw the notification they both got ready and Sin-ui started looking for the boss and also activated his future vision and then saw a dummy would appear behind them slashing him giving him a huge wound.
Then he moved to the side and the dummy missed and so then Sin-ui appraised it and saw that it was the boss and it was called, "Possed Dummy King" it's stats were incredibly even for Sin-ui with near double stats than what he should have.
But he still charged in with insane speed and was now using a real dash skill alongside of some strengthening and dash abilities he had and then cut the dummy's arm off but the a black ooze grabbed it's arm back and attached it again.
He was surprised but then Cho started blasting multiple elements at the boss to distract it and then he thought he should start blasting as well and so he held his hand like a gun and then started blasting at the boss as well.
The boss blocked a few of them with his sword and dodge a few as well but when it got hurt by magic it didn't look like it could heal from it so he smiled and then thought of combining the magic with his swordsmanship.