Reincarnated in slime as the son of a primordial

Charybdis

Charybdis the calamity was approaching our village, we have our forces prepared to fight is. The forces we have ready are Benimaru's men, Gobta and his goblin riders, Geld and the High orcs, Gabiru and his men as well as 100 pegasus knights supplied by Gazel. For some reason he saw us as his juniors, I mean he was definitely older than me, I am at most a 17 year old boy.  As I was preparing to insta kill all of them with my Ultimate skill, Benimaru stopped me and said we couldn't always rely on me and that they would request my help if they needed it. 

"Fine, I guess its a good training experience." I said dejected, I wanted to fight. "Where's Milim." I said trying to find the person who shared my pain.

Benimaru thanked me before all the forces were deployed. Benimaru started the attack by blasting one megalodon, with his black flames, this seemed to knock it out but surprisingly, it wasn't disintegrated.

{Charybdis has a skill called magic jamming, meaning that all magicule based attacks in a 300 meter radius would be weakened} Jophiel explained

Does my ultiumate skill get affected by it 

{Nope, ultimate skills and unique skills are unaffected by it. But it wouldn't matter even with magicule attacks weakened yours are still strong enough to one shot all the megalodons}

Nice

Rimuru ordered the others to stick with the plan to scatter them and attack them individually. Geld and Gabiru worked together to defeat one, and the goblin riders were taking down another with Hakuro's guidance.

Milim appeared out of nowhere asked why I looked so sad

"I've been banned from fighting too." I said on the verge of tears.

"There. There. If we both ask Rimuru, maybe he'll let us join." Milim said patting my head to comfort me. I got up and joined Milim on her quest.

"Hey, we wanna play too." Milim and I said

"Didn't I tell you to stay in town Milim, and Rei why are you joining her. Just watch them, they can deal with it themselves." Rimuru said

"Milim use your charm on Rimuru." I said with thought communication

Milim begun looking at Rimuru with her cute eyes.

"NO means No. Looking at me like that won't help. Rei stop giving her ideas. Just watch" Rimuru said

"Fine" We said, head hung low.

Souei used his strings to control one of the Megalodons to bite another, killing it. I saw the most unexpected thing when Shion was riding Ranga as they flew at the megalodons. Shion slashed it, and Ranga fired black lightning at another one, killing them both. Two questions were in my mind, one when did Ranga learn to fly and two when did Shion and Ranga team up. I was also extremely jealous that they were able to fight.

"let us join too." Milim said tugging Rimuru's sleeve

However his answer didn't change.

The kjinn soon defeated the remaining megalodons, leaving only Charybdis. Milim dragged me to sit with her under a tree, and she fell asleep. As much as I wanted to do the same, I kinda had my responsibility as a leader, so I had to be there in case they needed me. They soon begun their assault on Charybdis however, their attacks weren't even leaving a mark. I could sense something coming so I used thought communication to tell the Kjinn and Ranga to be careful.  Charybdis proceeded to shoot its scales from its body, causing Shion, Souei and Ranga to be thrown off the thing. On the ground they tried their best to defend against the scales. they still took alot of damage from them. However, they all stood their ground.