Your character turned himself into pure energy and back, traversing a short distance, without any sign of being winded or having any kind of negative affect on the mana pool. If I had a lightning character, and I do, in other roleplays, the only thing he'd have is bursts of lightning, and if its powerful enough chain lightning. Lightning does not mean railguns, or plasma. It means bursts of high amounts of static electricity. And, to say that just because he was immersed in it doesn't mean he can just know how- you need to really train. You need to put practice to theory and test it. If he's just out on his own, the he might have practice, but he won't be able to read any theories or test it.

Considering my character was purposely aged, well over 60, though he appears half as young, so that he DOES have a realistic reason as to why he is better, and why he can criticize, then yes, he would've figured out to enchant his weapons to remain unaffected by magic, or at least, less powerful magic. He would've figured out to protect himself- a man who has the resources to take magical properties and imbue them into items is a wasted tool if you don't use it to the maximum extent- and a survivalist would do so as much as possible. Some things are harder to enchants, others are easier. For example, gold would be the easiest to enchant- it's a pure solid valuable metal. Leather or wood would be much harder.

First, you gave yourself powers that could instant kill others. How fair is that? You're reckless- you might just start a battle by launching a ball at Mach 22 and vaporize them. How the hell is that balanced at all? You just knew about how railguns worked in the midst of half-demons, yeah?

Having potential is different from knowing how to put it. We're all roleplaying, but a teenager that's a master at swordsmanship and lightning of any form, even the type that doesn't make sense?

He's an OP character regardless. The kind of characters that I make like that are dragons, whom I usually sit out of the roleplay, or pit all the other trained, 25+ aged, well-armed characters against, usually by stating weaknesses before. Your characters knows how to do these things without any official training- you said yourself that he was just an outcast, and he messed with it. I've played thousands of hours of games, and am I an absolute pro? No. Not even close.

And tell me this:
If he has already mastered his area of magic, and mastered his swordsmanship, then should he not be busy actually adventuring? And an outcast would hardly be so social as to run right up to someone, grab their arm and start laughing and talking along with them. Your unreasonably powerful character's personality doesn't make sense, some of his abilities don't make sense, and I doubt you have that many restrictions on what he actually can do.

I suspect that if he did get in a fight with Andrej, you'd just end it by saying "railgun goes pow" and say he's dead. And a throwing axe isn't an instant kill unless it hits a critical spot. When a mage is so assured of their own power, and more besides, they'll expect their power to do what they might not want to. When a throwing axe, which isn't plasma bolts fired from enemies in Ratchet & Clank, is thrown, it isn't thrown very slowly, like a frisbee. You'll have one chance to deflect it or dodge. If you try to deflect it and find that there is an enchantment on it to go through magical shields, then yeah, you're probably screwed.

Concerning his nullification abilities
My character is made to be able to defend and eliminate physical and magical threats because of his enchantments- over the years, he puts his energy into enchantments designed for different things. His overcoat- absorb magical attacks, keep the wearer at just the right temperature. Gloves- better grip on anything he's holding. Hunting knife- sharper edge, harder to break. Same with the throwing axe, except with the absorb magical energy. Other enchantments will be present. For example, if meat were to be pressed against one of his pans, it would automatically start cooking as if there were a fire under it. When you take two odd, silver prongs, and touch both tips to something, it'll try and light it on fire- for cooking fires and the like. A broken crystal necklace that used to provide the ability of teleportation, should he have a mental image clear enough. He hadn't put enough energy into it [it'd consume great amounts, and he hadn't yet fully refilled] so when he used it to escape, it shattered and he got partway across, which is why he might be in the roleplay.

The reason why I'm angry is because you're making a prodigy adventurer with a personality that doesn't reflect his upbringing with powers that are a bit more developed than they should be, and powers that don't even really match his area of expertise. "Railgun"? Really?

If Andrej were to stick around and possibly teach, he'd start off by demonstrating enchanting, and how it can be very versatile. It's a lengthy skill- powerful enchantments must start smaller, and you must know everything about the properties and how you want it to work before putting it into an enchantment- a very long, time-consuming process that can result in dangerous or null results if done improperly. Firing lightning bolts would be even trickier, because you'd have to concentrate on summoning it, focusing it, keeping it from slipping away or dissipating, and then directing it where you want it.

And do know that the semicolon, " ; ", is used as a replacement for "And" in some cases, not as a colon. A semicolon and colon is used as such: "He had a variety of things: a toothbrush; a towel; a gun; a briefcase, among others."

I'm withdrawing my application- someone who justifies an active overpowered character that has advanced unreasonably quickly with a personality is not a person I'd like to roleplay with.

Sorry. I was looking forward to roleplaying, but this kind of thing spoils it for me.