The lightning bolt caused Luke to lose control of his flight, dropping him out of the sky. The hold in his stomach was still wide open and the damage from the previous fraxion still had yet to be healed, either. The only saving grace was that his nervous system had been so fried that the impacts were numb, barring when the shocks hit entirely new bundles of nerves. As he tumbled toward the ground, another lightning bolt had a leader enter the hole in his torso, the lightning bolt choosing the nearby tree as a better source to the ground than Luke, before he slammed into a tree head-on, breaking his neck and giving him a concussion.
Brain damage was the one thing Luke had no way to heal, so he started panicking. The actual damage done to his brain was minimal and would heal itself in not very long, but he didn't know that. With his body being completely limp, he created a metal dome around himself to block any leaders entirely, which worked as he heard a loud crack from another lightning bolt impacting his shield, and sunk into the ground. While down there, he created a tunnel out toward the edge of the arena to act as a decoy as he sunk straight down even further.
After the fraxion ripped the barrier to shreds and saw the tunnel forcing dirt upward from "Luke" attempting to escape underground once more, metal spikes attempted to prevent his escape like the one successful strike that had caught him just a few seconds prior, but the attacks were aimed at air. Luke started healing the most important damage, ripping out his entirely stopped heart to fully replace the damaged muscle, then fixed his neck before working on his lungs.
Before he could even finish healing his lungs, he heard the dirt above him erupt from some great explosion seconds before he was returned to the neutral position. His numb body began falling to the ground as he put up another metal dome, but he was too slow. One bold of lightning hit him right in the neck before he could complete his dome, sending him unintentionally jumping into the air from his legs going from bent to straight thanks to the electricity coursing through them.
This fraxion was not as adept at casting as the previous, so there was almost a full second between the first and second lightning bolt, giving Luke enough time to create an ovoid dome around him to block the attack. The dome almost immediately began to creak as the fraxion assaulted it from outside in some way Luke could not see. He went invisible and created a weakness in the dome such that it would fail in a predictable way.
Telekinetic force ripped the dome apart. Shrapnel avoided Luke as he lay in the right spot to avoid any debris, while he created a fake underground escape and attempted to heal himself; his fraxion opponent, however, must have had whatever anti-invisibility countermeasures the fraxions had active, as they immediately conjured a spike off a flying piece of the dome straight through Luke's abdomen, opening yet another hole in his body.
He plucked it out of his body with telekinesis as a lightning bolt hit his left arm, doing very minimal damage and hitting already fried nerves and preventing him from losing control of his magic. He dropped his invisibility, as it was obviously useless and just a waste of magic, and created another dome around him, growing it from the spike that was flying away and through the ground underneath his limp body.
The momentum carried him up into the air. He heard another crack of electricity impact his new, flying shield as he took the impromptu vehicle for a drive toward the edge of the arena. The thick metal prevented the electricity from seeing him as a viable path to the ground, like a Faraday cage, and was too thick for his opponent to get through. He managed to repair his lungs just before he was returned to the neutral position.
The fraxions had returned to suicide tactics, but this time, they were significantly faster about it and had a realistic way to damage him with their new lightning magic, making the tactic actually effective for the first time in years.
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Rather than deal with needing to conjure an entire dome of thick metal, Luke conjured a small net of metal wires clinging to his body. Lightning impacted a section of unprotected flesh, but the electricity rapidly found a path of lower resistance through the wires touching his body. He still slumped to the ground, his leg muscles and nerves not yet having been repaired, and he topped himself up with blood, since he started to get a little woozy from blood loss through the two gaping holes in his torso.
As he began to attempt to fly away, right as he breathed in, the fraxion conjured some acid directly on his face. The acid was inhaled partially into his nose, which was quickly blown out with what little air was left in his lungs at the time, and he rinsed it off, leaving him with only mild chemical burns.
A lightning bolt followed up behind the acid, hitting Luke in the chin. The thin wires he'd made had been destroyed by the acid, so the electricity traveled through his neck to reach the nearest wire before finally jumping all the way to the ground. He replaced the wires around his head, making them thicker than before so they could survive another round of acid, as he retaliated with a metal spike at the fraxion's head.
The fraxion, caught off guard after he hadn't attacked back for quite a while by this point, died instantly as the spike pierced its brain.
His newest opponent opened up by surrounding Luke in acid. He attempted to wash it away, but found it wouldn't budge. He figured they must be using his own ultimate attack against him and crashed straight through a thick sphere of glass, washing the acid off himself on the way out. He was effectively blind, now, with very little vision remaining in one eye while the other had been reduced to nothing.
He rapidly repaired the one eye to full working condition while another lightning bolt impacted his now-exposed right shoulder. The electricity passed through his body, escaping to the ground through his left foot. All of his nerves down there were still shot, so it didn't impact his ability to heal himself, but it was yet more damage he would need to repair once he had time.
If he ever got time.
Until right this second, he hadn't even thought to try a normal magic shield against electricity, so he did. The bolt slipped right by the shield, meaning he would need to encapsulate himself in a shield if he wanted to fully defend himself. A sphere of metal would be cheaper over a long duration, but more expensive in the short term, which the fraxions seemed intent on forcing him into.
With all the magic he was being forced to do and repairs to his body he performed over the last two minutes, he was finally running low on magic for the first time since the early days of having magic. He was only feeling the very beginnings of magic overdraw. The pain was minimal, like a paper cut exposed to water, rather than a constant injection of wasp venom, but he had very little time to figure a way out of this one-two punch of lightning and acid.
He created a skin-tight, full-body suit of metal around himself. Touching his body would prevent the electricity from going through him and being full-body would prevent acid from hitting him. The only problem, now, was typical armor-piercing attacks, like overcharged metal spikes or even just a gun. Not that fraxions had guns that he knew of, but even a weak gun from back home could pierce through the armor he created.
He was given a few seconds of peace as he healed himself and flew around randomly and blindly before a large metal spike pierced through his armor, erasing his right arm from existence. Shortly after, he was returned to a neutral position. A suicide attack had failed to land properly due to his random flight path. He increased the thickness of his skin-tight coffin while sealing up the gap around his stump of a shoulder.
Something immediately crashed into it, sending him flying into the air in some capacity, before he began flying randomly and sealing up the holes in his lower torso and stopping the bleeding over his arm. Healing the rest of himself would have to wait as the magic overdraw pain was intensifying rapidly, especially as he healed himself.
Another suicide attack took out his left leg, which he patched up at the expense of his left hand, which began to decay from magic overdraw. He figured this was the end and sunk himself, still inside his metal cage, into the ground. With magic overdraw having already taken root, this maneuver cost him his entire left arm up to the shoulder.
After over a minute of silence, the extreme damage to his body and intense activity of the last few minutes caused him to pass out.