Authors note: regarding robbing the bank Charles is rather arrogant and he also a history of stealing so its not surprising (at least to me) that he would steal from a bank. Also a note to all (made by Grimmend )

things that I see that make the fight (somewhat) more realistic in regards to MC OP claims:

Charles

Modified to an exceptional degree, but to my recollection all modification by Codex (save PAIN's breath attacks) are passive/defensive (No bladder, reinforced bones, etc.)

With said modifications, he is capable of training with high grade gravity gear, but his actual combat skill is rudimentary at best, everything until recently he was simply able to overwhelm them with raw power, or take them down with a cheap tactic (like when he feigned injury against the guard)

Summoning such a large amount of Abyssal Goblins would understandably drain his mana to the point of exhaustion.

Now, for everyone's' favorite cadaver, Kolrun

Born of a council member, which genetically grants him an exceptional mana capacity from birth.

As a child of a world noble, he will have had access to the best training and tutelage since birth, where as Charles had to makeshift a training regiment with Codex and their admittedly limited understanding of the world.

While FEAR and PAIN are both monstrous beasts they're just that, beasts. Codex has yet (To my knowledge) improved their intellect, meaning that all higher forms of strategy must be micromanaged by Charles, which allowed them to be made short work of by Kolrun and companions. Had Charles brought out the Legions right away, the additional numbers may have tipped the scales as the trio would not be able to focus on the boss mobs.

Last but not least is gear. Charles has goblin made armor (granted, it has a very, VERY interesting effect at the end) while Kolrun most certainly has mastercrafted equipment, along with rings and such to further boost his power. Charles does have rings, but they (again, to my recollection) are passive/defensive only granting bonuses such as regen or mana storage.

All things considered, I would grade the current Charles as a B- and Kolrun as an A (Ancient thing and council mages are S-SSS and Abyssal goblins are D+ for comparison purposes)

things that I see that make the fight (somewhat) more realistic in regards to MC OP claims:

I wake up before the girls and find Joanna snuggling against my back. Can't blame her its f*cking cold right now. I get up and bring Joanna closer to Angel. The two of them sleepily snuggle closer to each other. I inspect my armour. It has somewhat changed from the battle. Before the battle it looked crude and had a somewhat pointy edges. It now looked well refined and almost like a second skin or chain mail. I inspected the tails. During the battle they were crude like a tree broken in half with many broken points. Now the two tails had one defined point that was fairly sharp. It seems that the absorption of the other goblins armor made the armor stronger and caused it to evolve.

After inspecting my new armour i thought about the match.

“codex with the amount of mana in the rings i wouldn't have been able to teleport with more then 2 people yes?”

“yes.”

i sat their silently. And remembered the fear filled faces of Elaine, Anna and Sophia. It wounded my heart. Was i really that scary? I mean the dark armour and goblins really didn't help. But they didn't even run to my aid when Kolburn was about to kill me. I guess they truly didn't like me enough to help me. As i sit there pitying myself Joanna wakes up.

“I have been meaning to ask you but,... do you ever go to the bathroom or eat? I mean i have seen you eat but never go to the bathroom at all. And your never the one who seems hungry.”

“i don't need to eat or go to the bathroom i experimented on myself to get the effects of not needing to go to the bathroom and this ring here on my hand is the ring of nutrition meaning i don't need to eat.”

“oh okay that's all fine and dandy but I’m hungry”

i pull out some food from my ring of storage and Angel wakes up and eats to. I take some water out and drink, handing the glasses and leather flasks to them afterwards. As we get up FEAR and PAIN return.

“with the extra food PAIN got he can resist Fatigue for a much longer span although not as advanced as FEAR's”(codex)

i grunt in reply and get on FEAR. Joanna and Angel get on as well. Angel sits on my lap while Joanna sits across from us.

“so when are you going to teach me magic?”

“master if i may be blunt just give her to me in my watch form i will still be able to communicate to you and you will still be my master but i will not be able to take over your body temporarily.”(codex)

“just don't modify her got it?”

“yes master”

i take off my watch as i am doing so

“what are you doing taking off your watch for? doesn't help me learn magic.”

“put it on and you will find out”

she puts it on and a weird looks goes across her face. She then looks at me

“HOW THE HELL DID YOU GET A GRIMIORE?!?!?”

“well technically i made it ask codex about it”

she looks at me weird and seems to be getting an explanation from codex. We keep moving without talking and angel seems to enjoy being around me. As we move i attempt to absorb more mana from the air to replenish the now malnourished rings. After i don't know how long we stop. I open my eyes and turn my head. It looks like a rundown keep in front of me. I get up and jump off the girls follow suit. Joanna runs forward

“YAY I’m home!”

she runs straight to the giant door. I can see several guards on the crumbling walls. The keep look like it had been under siege for years. Their were holes in the wall and certain parts were collapsed. I walked forward slowly. With Angel by my side. The doors open and Joanna is grabbed and brought in. The doors are then promptly slammed shut. Several crossbowmen aim their crossbows at me but none of them fire. I simply stand their for a while and eventually the doors open. I walk in with Angel and tell PAIN and FEAR to go hunting. PAIN lays down however and starts sleeping. FEAR is actually to slow to catch food by himself so he lays down beside PAIN and closes his eyes. I know he doesn't require sleep so i know he isn't doing that. I enter into a town that is barely surviving. It looks like a war zone only some of the houses are still standing and the ones that are seem to be in bad shape. I look into the eyes of the people. Their seems to be no hope in their eyes. Almost like fish eyes.

We enter into the keep and walk until we see a grand chamber. I walk in. The king on the chair seems old and tired. Beside him is Joanna.

“so young boy i here you are an experienced mage. But if you are then why do you look like a knight?”

“is their danger in learning the book and the sword?”

“anyways will you help me and my people? Orcs attack everyday and we are at our last straws and hope is nowhere in sight not only that but my country has a debt and all our income is spent on defending ourselves.”

“how much is your debt?”

“1500 gold pieces. I know the sum is meagre for most countries but my country Iceland is small pour and the land is not fertile.”

“well then it seems i can solve one of your problems.”

i take out all the gold i own and hand it to a guard beside me. It seems there is a trust issue with me. Oh well they will respect me with time. The Guard takes it away to count and the king looks surprised

“the amount is 1650 gold pieces even.”(Charles)

“where did you get this amount of gold? Around here even silver pieces are rare”(King)

“I stole from the rich bankers and bet on myself”(Charles

“no bankers around here are that rich where are you from?”(King)

“Black Wall is the city nearest to my home village”(Charles)

“but that's 3 months travel from here!”(King)

“yes and?”(Charles)

“my daughter said you travelled for a mere two days to arrive here!” (King)

“teleportation magic is quite helpful if i do say so myself” (Charles)

“telep.. but that's lost magic!”(King)

“well it's found now”(Charles)

“I King Rolo of Iceland offer my Daughter Joanna in exchange for helping us regain our former glory! Please help us if you have discovered lost magic you must be incredibly powerful!”

“dad do i mean that little to you that you would marry me off to a stranger?”(Joanna)

“Charles is mine!”(Angel)

“you can't share?”(Rolo)

“um i think your moving things along here to fast. You don't even know how strong i am. Why i don't i help you for a week and then we can re-discuss our deal.”(Charles)

“sounds good although i wonder why you would reject taking over my kingdom...”(Rolo)

“well anyways i will get started right away, lead me to your walls”

the guards lead me out of the keep and to the walls. I started doing repairs on them. Due to my practise with building stone homes back home it wasn't incredibly hard. As i put the walls back up i started injecting mana from in the air into the stones. I managed to repair the biggest hole in the wall before i tired out and ran out of mana. Angel was with me the whole time and helped me back to the castle. The guards lead me to a room. Angel got me some water when i asked i drank it and went to bed exhausted.

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