Chapter 660: Inside Mt. Thunder

"Tell me what is happening right now! Who is responsible for this magic spell? If one of you is pranking me then you better believe that…" Lan shouted before she vanished into thin air.

"My lady!" One of the hidden guards stated as he took out something. It seems to be an item that is like a tracking device for Lan.

"Five of you will come with me to track down, our Lady. The rest of you will stay here and guard the entrance so that demon will not come here. I am sure that it was the demon that did that to out Lady. If you find him, do not hesitate to kill." One of the hidden guards stated as he took off to find Lan.

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"Done. It was easy but it took a lot of mana than I expected. Almost half of my mana disappeared from one spell." Adrian stated as he cast Spirit Form Transformation on himself again.

"Well, let us now go inside the mountain then. The surprise at the top of the mountain is waiting for us." Peridot stated as she strutted towards the entrance of the mountain like a boss.

Adrian's group easily passed through the remaining guards despite their vigilance at the utmost level. The guards did not even see that the ones they wanted to keep out are already at the very entrance that they are protecting. The guards could only feel a cold breeze pass through them which is not that rare when one comes inside Mt. Thunder.

Upon entering the inside of the mountain, Adrian's group noticed that the inside of the mountain is very bright despite no natural light passing through it. The thing that is responsible for the brightness of the inside of the mountain is a peculiar stone that is dark violet in color.

This particular stone is emitting a faint violet light whenever lightning is passing through it. Adrian did not ask Peridot for her help because she could get around in the eastern continent but because of her special skill to find rare ores.

"Are the stones that are glowing the lightning magic stones?" Adrian asked as he could see electricity pulsating on the stone.

"Nope. Those are called Bulb Ores. It is a unique type of stone that is present in Mt. Thunder that has only one use and that is to serve as light. It absorbs the excess electrical strikes by lightning, and it would use that to light itself up.

Other than being a glorified light bulb, it has no other uses. The only ones using it to light up their homes would be from the northern territory. Lightning magic is very difficult to use which is why only the nobles of the northern territory and a few select individuals choose them as light sources." Peridot explained as she also uses the Bulb Ore as practice tools for Lightning Magic.

The group walked for a few minutes before they realized that there were no monsters inside of the mountain. Even the members of the House of the Azure Dragon are not present in the area that they are in which means that they are already at a higher location.

"Even though they seem to have been pressed for time, they clearly killed all the monsters that are here. That works for us as all we need to do is to find them and see what they want to obtain in the mountain." Peridot stated as the group continued exploring the mountain.

The climb to the top of the mountain is tricky as there is no fixed destination. All the people that want to climb Mt. Thunder must find their own way as it is a trial ground of some sort. The higher that the group ascended the mountain, the higher their chances of encountering monsters became.

"It seems that they evaded the monsters in this area for some reason." Adrian stated.

"If I may explain, Master Equinox?" Saru asked.

"Sure, go ahead." Adrian replied.

"I believe they are trying to conserve time as the monsters in these areas are Spike Shelled Tortoises that is famed for their defense and resistance against lightning magic that the House of the Azure Dragon is famous for. They might have used an incense that could drive away monsters to advance." Saru explained.

"I want to have incense like that. Does it work on irritating older sisters?" Adrian jokingly asked.

"Focus. They surely want the mountain for a week but why would they need to hurry on their exploration. Seven days should be enough time for them to reach the peak." Peridot stated.

"If they are in a hurry then that will only mean that the thing that they want is only available for a specific period of time." Adrian suggested when Saru suddenly remembered something important.

"I think I know what they want in the mountain Mistress." Saru stated as he suddenly remembered that he heard of a story about Mt. Thunder.

"Well, do not leave us hanging here as we do not know of that story that you speak of." Peridot exclaimed as she wanted to hear this story.

Peridot already read about Mt. Thunder from all the books present in the manor's library. She wanted to be prepared for her training and helping Adrian get the large lightning magic stone that he needed. She knew that Mt. Thunder is at its troublesome climate right now but that was all she could find.

"I think it is more of a legend, Mistress. I heard of a story about Mt. Thunder when I was a kid that a beast that controls fire and lightning appears every time the moons are full and bright blue. A beast so fierce that no one could quell the anger in its heart for it is in despair.

Locked in eternity in this lonesome mountain with revenge in its mind. It longs for the days that the chains that bind it to become unwound." Saru stated the whole story o the two of them.