1 Hour Ago.

While Legolas and the group were enjoying a moment of respite, there was a bloody battle going on the 71st floor of the Immortal Dungeon.

"Arrghh!" screamed a blue-skinned elf in agonizing pain as his lower half of the body was rotting and his legs had turned into fleshly mush.

Slash!

Just then, a middle-aged elf swordsman came from behind and slashed his legs before the rotting poison spread furthermore.

He quickly grabbed the elf who was about to fall on the green swamp of a battlefield they were on and fled towards their right while avoiding massive orbs of different elemental attacks.

This elf was a 5th stage saint and his speed was so fast that it felt like there was a fighter jet flying close to the surface of the swamp, leaving strong tides in his path.

In just 20 seconds, both figures appeared 30 kilometers away.

"Myrienne, heal him quickly. He lost too much blood!" shouted this elf as he left the high elf comrade of his in the care of their Priestess.

At this moment there were totally 9 saints fighting a ginormous 1 kilometer tall and 7 headed creature in a swampland that spread for over 100 kilometers.

Yet despite all of them being Saints they had no choice but to fight on the ground.

"Dammit! If only we could use mana or world energy.

We don't have enough strength to kill it even as a team." spoke an archer high elf in golden armor.

"This creature is the 3rd strongest monster after Dragons and the 5 Godbeasts. Even one of the powerful legendary monsters called Drigger would not for a day in a battle of attrition against it.

We're lucky that it's only an intermediate mythical rank, comparable to a 5th stage saint." spoke the 5th stage saint high elf swordsman who just returned to encircle this massive creature.

"Lucky? Are you insane?!

It killed 3 of our comrades already in the past 10 hours since we started fighting. We barely managed to clear those 20 floors in the past 1 month only to lose our friends to this bastard.

If not for Ervalen's divine abilities, we would be either rotting in this swamp or melted by its toxin.

Let's not even talk about that icy breath and that green fire." complained the elf as he launched another volley of wind elemental arrows using his skill.

"Even a 5th stage saint like me can't face it head-on with our skills and ability to use mana and world energy sealed.

No wonder the only people to pass this floor before was the current Emperor and previous parties of the summoned Heroes of the past." spoke another 5th stage saint who was a Knight.

Just then, Ervalen who was summoning hundreds of lightning and fire attacks through archaic magic formations spoke in a grim voice.

"I'm running out of my mana reserves stored in the cubes we brought. This thing isn't even receiving much damage even from my strongest attacks.

Soon, I won't even be able to cast these magic formations or summon elemental beings to fight." he declared with a pained expression.

This floor had a peculiar rule.

One couldn't harness the mana and world energy on this floor unless they had an external source. And because of that, even the 5th stage saints had no choice but to use their own reserves stored inside their bodies.

Nonetheless, with a prolonged battle, they lost their ability to attack and fly because they ran out of mana and world energy in the end.

If not for their monstrous stamina and physical attributes as saints that were enough to lift a mountain on their shoulders, most of them would've already died.

Currently, only Ervalen and Myrienne, the ones with the class benefits of being able to use artifacts to harness mana from them were in a better situation.

"I have a plan to kill this thing. But we have no choice but to use the artifact that his majesty, the emperor gave me." he proposed an idea.

"Have you gone mad?! You're not a 5th stage saint yet!

It will use all of your mana and world energy if you activate it. Even I have a low chance of surviving after using that artifact.

You'll die right away." bellowed the swordsman elf.

"Besides, even using that won't kill it easily. Its defenses are too strong." spoke the blonde archer elf.

But to this rebuttal, Ervalen let out a smirk and responded in a coy tone.

"It can." he said with a gaze full of confidence as he looked at his fellow comrades and revealed his plan.

After dodging and putting a plan in motion while discussing it telepathically through communication artifacts, Ervalen took a lead as he directly charged at their enemy, catapulting himself into the sky.

"This better work otherwise, we're all good as dead." said one of the high elves who was an assassin.

Both 5th stage saints then used their Domains and spread in 60 kilometers radius collectively. Although it looked like the range was unnecessarily large, they had their own reasons.

One of them had innumerable light elemental chains, each being 10 meters in width alone, falling from the sky and tying the body of this boss in thousands of chains.

The domain of the other saint on the opposite end created massive rectangular blocks and columns made of the wood element, erupting from the ground and binding it from below. Soon, they created a cage, restricting its movement.

ROAARRR!!

The roar of the ginormous monster sent tremors in the surrounding 20 kilometers and cracked thousands of these restraints easily, making both saints suffer a great backlash.

If they could use mana and world energy borrowed from the outside world, the monster wouldn't have managed to even fight back.

Still, not all the heads were suppressed and they started to tear apart the joints of chains and columns that restrained its body.

During its attacks, 3 more members of their party fell victim since both the 5th stage saints suffered a huge backlash and there was no one to help them escape in time.

"Do it! We can't hold it much longer." shouted the knight saint as Ervalen finally reached close to the middle head and fiercely gazed at the yellow eyes of this tyrannical creature that killed half of their group at this point.

At this moment, everyone was heartbroken. Some of these people knew each other for a century while growing up. But now, they couldn't even collect their corpses because killing the boss was the main priority.

Swoosh!

But before the boss could attack the flying summoner class hero; like a bullet shot from a sniper gun

Ervalen jumped inside its mouth.