In the narrow spiral staircase, a sudden and violent explosion occurred, releasing scorching air waves and high temperatures.

  Kenmet and others lost their hearing instantly, felt their hair seemed to be ignited, and even the armor on their bodies became extremely hot.

  The hot air caused by the explosion formed a strong updraft, which caused a pipe whistle like a dragon's roar in the cylindrical spiral staircase up to 80 meters high.

  The sharp and long sound made everyone's legs kick the ground tightly and their backs pressed against the wall.

  In the rising fire cloud column, everyone could hardly open their eyes. They could only vaguely see all kinds of strange objects being sprayed into the sky, and then falling like raindrops, falling into the dark abyss below.

  At the same time, the screams of the giant rats echoed in the spiral staircase, as if there were countless rats everywhere.

  After a struggle, everyone finally escaped from the smoke-filled spiral staircase with violent coughs and returned to the outside of the dungeon.

  They looked at each other in disgrace, and then cast their horrified eyes on the slightly embarrassed Jia Lan.

  Kenmet, a junior golden swordsman, asked with a trembling voice: "Just now... was that the forbidden spell 'Meteor Shower'?"

  Among the crowd, Jia Lan, the only one who looked relatively neat, laughed dryly: "Well, it's just an amplification... an improvement... an enhanced version of the ordinary 'Fireball'..."

  In fact, this situation also exceeded Jia Lan's own expectations.

  Since there were no other magicians on the scene, no one could detect his magic fluctuations.

  So, Jia Lan decided to try to directly convert arcane energy into elements to release the effect of "magic".

  He did not inject elemental energy into the magic model engraved on the wand to activate the magic, and the actions of waving the wand and chanting were just pretending.

  Jia Lan used the arcane casting method to simulate the spell model of "Fireball".

  This casting method is theoretically feasible, because the elemental magic of the current era is basically derived from the "elemental sub-school" of the "Energy School".

  Although a pre-process of converting "arcane" into "elemental matter" and then converting "elemental matter" into "natural elements" was added during the casting process, there was no obvious error in the overall casting procedure, but the casting speed was relatively slow.

  However, Jia Lan overlooked some key issues during the casting process.

  The process of arcane casters releasing secret arts is to output the arcane particles contained in the "arcane energy spring" in the body, attract multiple arcane particles in the space, and then construct them into spell forms after forming a certain order of magnitude.

  When a magician releases magic, it directly outputs the elemental particles stored in the body to form a magic form.

  Although it seems that there is not much difference, magicians have simplified the casting process, but the ratio of arcane energy, a "high energy", to "elemental matter", a "low energy", is very huge, and the ratio of high-purity "elemental matter" to elemental particles is very amazing.

  Therefore, Jia Lan adopted the arcane casting method and directly used arcane energy to simulate the model of "fireball", resulting in a complete change in nature.

  It is more intuitive to express it with numbers: Jia Lan's current "casting level" is still at the level of "high-level caster apprentice", which is roughly equivalent to the level of "9th-level apprentice magician".

  As long as you break through a certain difficult-to-explain level, you can be promoted to "1st-level caster", that is, "primary magician".

  According to the current level measurement standard, the amount of elemental particles contained in the body of a "9th-level apprentice magician" is close to 1,000 elemental units, which is enough to release ten level 3 fireballs containing 100 elemental units.

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  However, Jia Lan ignored the difference in the times and directly simulated the level 3 fireball according to the casting habits of arcane casters.

  In this way, what is injected is not 100 elemental units of elemental particles, but 100 arcane energy units of arcane energy particles.

  According to the casting ability of "high-level caster apprentice", Jia Lan releases 100 units of arcane energy particles, which is theoretically enough to attract 1,000 units of arcane energy particles in the natural space!

  In the natural space of the current era, affected by the explosion of the earth veins, the number of units of arcane particles and elemental particles has increased by hundreds to thousands of times compared with the pre-civilization era.

  Even with the most conservative estimate of 100 times the arcane particle concentration, the 100 units of arcane particles released by Jia Lan can cause an attraction effect of up to 10,000 units of arcane particles, rather than the original 1,000 units.

  Further, these 10,000 units of arcane particles can be converted into 100,000 units of high-purity elemental substances, and then generate 1 million units of natural elemental particles.

  Through Jia Lan's "traction-type" amplification arcane spellcasting method, the effect is even more significant.

  It is worth noting that if the concentration of arcane particles in the current era space is 100 times that of the pre-civilization era, then the concentration of natural elemental particles is likely to reach 1,000 times that of the pre-civilization era.

  Therefore, the level 3 fireball that should have contained 100 elemental units now contains 1 billion elemental units, and its power has been amplified 10 million times.

  Jia Lan was confused about whether the "small fireball" after this change was still a small fireball.

  After noticing the abnormality, he quickly used his relatively exquisite spell control ability to split the powerful "small fireball" to the extreme, and forcibly dispersed the elemental particles in it before it lost control, so that it could be reintegrated into the space.

  The so-called "magic out of control" phenomenon is actually the "element resonance effect" caused by Jia Lan's forcible dispersal of elements, rather than the real outbreak of magic.

  The side effects of this forced dispersal caused great pressure on Jia Lan. Fortunately, he was unable to improve his spellcasting level due to the "dual soul" troubles in the pre-civilization era, so he strengthened his "arcane energy spring", thus having the capacity and mental strength of the arcane energy spring equivalent to that of a 7th-level spellcaster.

  Otherwise, this backlash would be enough to damage his spell ability.

  Fortunately, the small fireball that was magnified tens of millions of times did not explode, otherwise the dungeon area of ????the Castle of Doom might suffer great damage.

  Jia Lan was deeply worried when he failed again when trying to regain his spellcasting ability.

  Adapting to the spell environment of the current era is full of challenges, and the frequent spell loss of control is unbearable for him.

  If the spell control problem caused by the difference in spellcasting in different eras cannot be solved, Jia Lan will not be able to be promoted to a level 1 spellcaster again.

  After trying, he found that there would be no loss of control when releasing the less powerful level 0 spells or injecting elemental particles according to the spell template on the wand.

  However, he could not use his familiar spellcasting skills to release magic, which may be related to his current low spellcasting ability and insufficient control over the elements.

  Therefore, he could not use high-level spells in a short period of time.

  In the pre-civilization era, Jia Lan could not use high-level spells due to "dual soul interference", and in the current era, although the "dual soul interference" problem was solved, he could not cast high-level spells due to the change in the spatial environment.

  This made him frustrated with his path to the arcane. At the same time, Kenmet and others were shocked by the magic that Jia Lan had just released.

  They did not realize how powerful the "small fireball" that was "repatriated" was.

  However, they already regarded Jia Lan as a great magician, or even a magician.

  After all, the small fireball containing 1 billion elemental units is equivalent to the "level 10 small fireball" that only "platinum-level" magicians can release in terms of the order of elemental units.

  However, in the current era, no magician will practice basic apprentice magic to such a terrifying level.

  Generally speaking, the magic level released by magicians is not too high. Usually, practicing a magic to level 3 to 5 is enough for practical use.

  It is undoubtedly a waste to continue to spend time and energy on such magic.

  However, the power of the small fireball is almost the magician-level "small forbidden spell" of the great magician with all his strength.

  If you tell them that it is just an apprentice-level magic fireball, I am afraid no one will believe it.

  After everyone recovered, they reorganized the team and planned to enter the dungeon again.

  Shocked by Jia Lan's "small forbidden spell", Captain Kenmet carefully discussed with Jia Lan, hoping that he could notify him in advance before releasing the forbidden spell next time if conditions permit.

  Jia Lan could only agree with a wry smile.

  Given the large number of giant rats and dark demon rats in the dungeon of Doom Castle, the seriousness of the situation is no longer limited to the threat posed by the flying head barbarians.

  In order to prevent the giant rats in the dungeon from being alarmed and rushing out to hurt people, Captain Kenmet summoned a mercenary squadron from Doom Castle to guard the dungeon entrance.

  It’s not that he didn’t want to bring more people to clean up the giant rat’s nest, but the space down there was small and there was no point in having too many people.