Reborn As A Ghost: Time To Build My Undead Army!

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Polymorph Magic, the magic that grants the ability to change shapes, a special power that apparently Dragons and other Mystical Beasts around the world can use to change their shape and appearance into that of humanoids, or even modify their original height, which are often of enormous and ridiculous sizes…

And this Ancient Dragon right in front of us was that Wyvern we found on the first floor! We really thought he was a new friend we tamed or something, but she was… actually the big sister of Lucifer?! Why didn't she fought before or something? Is she shy? Was she waiting for us to almost die? Well, whatever's the case, she was helping now.

One thing I noticed was her Fire. Unlike Lucifer's fire, which is mostly Darkness and Death that doesn't do much damage to the Ants, even less to the Queen, the fire of this Ancient Dragon was truly powerful! It was bright red, and golden! It was like a normal living fire dragon, and she was awesome at it! Her fire alone melted part of the Ant Queen's barrier and even began to burn her body, the Ant Queen had to quickly step back several meters from us as she screamed that she was in agony.

"Our Family's fire is imbued with the power of Holy Light; they're called Holy Flames for a reason." Said Brunhild. "It is a pity that my brother has lost his Holy Fire after dying and being reincarnated by your Necromancy, but at the very least, he's alive now. I won't let this monster hurt him anymore… Maria, help me out!" She said.

"Count on me then!" I said, quickly confronting the furious Ant Queen who quickly began healing her burnt wounds by bathing her own body in a slimy black miasma that reeked like rotten flesh, her face distorted in utter fury.

"You're as reliable as I thought you would be." Brunhild said. "Sorry for not helping before, but I've been watching you because at first I didn't felt like approving your relationship with my little brother…"

"Eh?!"

"However, I've changed my mind, you're strong and truly cares about him. I've recognized you…" She said.

"Ah…!"

"Just a little bit though!" She said again.

"Eh…?"

"So for that reason… show me your strength against this monster, and let's take it down!"

"Alright! You don't have to say that twice though."

"Can you keep up with my pace though?"

Brunhild's wings suddenly spread out, as they began glowing with golden flames her entire scales were still very old-looking, and although she was ferociously strong, I could notice that she had been aging a lot and was fairly old. Her stamina might not-

FLAAAASH!

And she flew like a meteor in flames, quickly reaching the Ant Queen… Wait, what?!

She was too fast!

Without even thinking it twice, I looked back at Lucifer who was still recovering his strength and generated a domain of shadows, quickly protecting him with several barriers as I flew away right behind his sister.

"W-Wait! I also want to help! Ugh…" Lucifer tried to stand up but the pain in his stomach where he got sliced in half was still there, and his soul was still regenerating after I stuck it back together forcefully.

"Stay there and don't move! Support us from afar if possible!" I told him.

"Leave this to your big sister, little brother." Brunhild said, as if she were a very commendable new ally!

"Huh… Holy Flames or whatever, my power is vastly superior! I've already reached Level 90 and I will continue growing stronger…! Can you even truly defeat an S Ranked Entity such as me?!" She roared back at us, smiling viciously. "And with the power of this Fragment and the Dungeon's Mana, I am invincible!"

She was trying to scare us off by telling us how strong she truly was, but that didn't worked for Brunhild, who seemed like an enormous meteor quickly clashing towards the Ant Queen! The Ant Queen had enormous powers, but she was actually very slow compared to Brunhild! I could tell my husband's big sister had a very speedy build in her stats. f𝗿e𝙚𝘸e𝐛𝚗𝐨𝙫𝚎𝙡.c𝒐𝐦

"Draconic Arts: Draconic Hellfire!!!" Brunhild roared, as her entire body erupted with ridiculous quantities of flames, completely covering her entire surroundings as the Holy Flames consumed the Ant Queen's barriers, melting them away and then shattering them one by one with her powerful fists! This Draconic Art enhanced her entire body and covered it in so many flames that it made her resemble a being entirely made of fire!

"Nnggh…! Y-You…! Abyssal Rend!!!" The Ant Queen spammed her most useful spell as she unleashed several Abyssal Rends consecutively, shattering space itself as countless Darkness Aura Slashes reached Brunhild, about to slice her into several pieces!

"Draconic Arts: Orichalcum Body!"

BOOM! BOOM! BOOM! BOOOM!!!

Her entire body began tanking each hit magisterially! Her scales were so hardened- no, her entire body was so hardened she resembled an entire statue made of Orichalcum, the legendary divine metal of the gods!

"Wh-What?! How?!" Roared the Ant Queen, quickly stepping back furiously, but then clicking her tongue. "You can't defeat me anywa-"

"Draconic Arts: Meteor Smash!"

"Aggh?!"

Brunhild suddenly flew towards the Ant Queen, reaching her in a mere instant as her right arm suddenly was coated with a ridiculous amount of Holy Flames, propelling her fist to move to an even more insane speed and clashing against the Ant Queen's barriers, shattering them in an instant and hitting her chest!

CLAAAASSSSHHH!

"AAGGGH….!"

TRUUUMMM…!

The enormous and powerful hit broke the sound barrier, generating countless shockwaves around and shattering the ground into countless spiderweb-shaped cracks. The Ant Queen's entire torso was split in half as black blood began constantly gushing out of her flesh, she began vomiting blood as her abdomen was also broken apart, white and black liquids coming out disgustingly.

"Unnghh…! A-Akh… This can't be…! AAARRGGH!"

The Ant Queen didn't let Brunhild give her the last hit as an explosion of Miasma emerged from her entire body, her wounds suddenly recovered in a mere instant as her lower half suddenly grew more compact and less heavy-looking, her body grew up to five meters now, and in an instant, she grew a pair of large, moth-like wings with red eyes on them… Is this the Boss second phase or what?!

"Just like I guessed it…" Said Brunhild. "Not only does she has the Evil God Fragment, but she's also the Dungeon Core's Avatar!"

What?!

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