Fireworks!
One of the things I enjoyed back then, I would usually ask Will to take me to such events as they brought me a bit of excitement, of course, I had no one to watch them with other than the poker faced butler, but it was still better than nothing…
To explain it simply, the reaction of the two elemental crystals just now was due to the crystal's incapability of housing both corrupted and pure elements that were trapped inside, and without being able to release one of them due to the 'Elemental severing' barrier, the crystal decided to commit suicide relying on the power of my lightning and thunder elements.
If one was to somehow force two similar poles of magnets to touch each other, they would normally explode away as soon as the power forcing them to be stuck together vanished.
If I were to somehow describe this experiment similarly to mine, then my own elements could be considered as positive pole number one and the corrupted elements as positive pole number two.
As I forced my own elements against the corrupted elements that worked as a trigger to make positive pole number two (the corrupted elements) recognize the elements that was initially inside the crystal acting as if it had a neutral magnetic value, as a weaker positive pole than my elements (positive pole number one).
Being incapable of leaving the crystal, the corrupted elements could only fights its way for its survival inside the limited space in the crystal, thus fighting against the pure elements for space, as the weaker target, leading to the crystal's insides being in a state of constant inner repulsion.
Thus just by removing the 'Elemental Severing' barrier suddenly relying on my control of the lightning elements inside the dual crystals, I managed to produce a small explosion that was barely audible, consisting of elements burning out of extreme repulsion!
Of course, the power resulting from this explosion was meagre as well, but that was only if one thought about the small scale of this experiment, what if a 'Firework' made out of 50 or even 100 hundred crystals, all having the same reaction, at this point it would become a practical bomb and one could would dare to call that a 'Firework'...
But still, even such a 'Firework' won't be able to bring destruction to such a big base, so it couldn't be used alone.
The solution was actually pretty simple as well, considering that the explosion force was produced from actual elemental burning, then wouldn't exposing fellow elements to such reaction start what one could call a chain reaction 'Firework'?
Considering the fact that the walls of the cave were pretty much painted with crystals, and the several veins that existed around the base's walls, similar to that of this cave, all connected at one point to the 'Corruption core'.
Then a chain 'Firework' of this caliber might as well be capable of burning this whole base, and considering the fact that most of the demons here didn't even have one stat surpassing 20 points, then the extermination mission would pretty much be finished leaving aside the few special ones capable of surviving the 'FireWork'!
However, making such a 'Firework' on the spot would easily allow the demons to notice my suspicious behavior, and most importantly for such a plan to succeed without the possibility of the demons stopping it required me to make a trigger 'Firework' for each 'Sacred room' in this base, meaning that once I approached a different 'Scared room' than this, my cover would be blown.
As such, the only solution possible was to make these trigger 'Fireworks' automatic, so as to be able to use my speed to break into all the 'Sacred rooms' within a short time, leaving behind an automatic 'Firework' and starting the reaction as soon as possible…
Luckily, I had already experimented while making the special pin of the letter, making it a pseudo enchanted weapon, which had a similar automatic function as the one I wanted to add to the 'Fireworks'.
This way of processing was called 'Enchanting'!
A special field that branched from blacksmithing, allowing the blacksmith to put their own elements into an elemental crystal, making it have the desired properties.
High-level enchanters could even create the enchanted gears used by elemental warriors, allowing them to use the elements inside that wasn't actually theirs to begin with.
The source of this information was unexpectedly drake's library…
The old dwarf that guided me back at Thunder village, actually had more to him than one could see…
The only reason I didn't realize their importance was due to me not being familiar with elemental abilities so I only read it to store the information into my memory without thinking.
Thankfully, drake's enchanting technique came to my mind back then when I was wondering how to keep the secrecy of the letter's content until the desired time, allowing me to get a bit of a start into the topic, merely scratching part of the tip…
And to make it better, the automatic elemental function was actually pretty much a beginner enchanting ability, allowing me to be capable of emulating it using my precise elemental control!
With that being said, the 'Firework Celebration' plan could easily be considered as ready to be put into action.
Of course, as time was pretty tight, I had to finish all the needed automatic 'Fireworks' and also obtain accurate information about the whereabouts of the other 'Sacred rooms' within the shortest period of time.
'Hey long, I guess I will need your help pretty soon…'
[What? Can't you seriously figure everything yourself?]
'Stop complaining, you need to help me as your source of points anyway…'
[Huh? What do you mean by a source of p... alright just tell me what labour is it this time…]
So, as I bid farewell to the boredom and leisure that I had experienced in the earlier days of my time at this base, I already started working on my first elemental 'Firework'!