[@Rai] Why can we only have one weapon?

That seems rather silly if, for example, you want to use the historical fighting style of "Bow/Sling/Throwing Weapons" for skirmishing, transitioning into "Shield and sword in left hand, spear in right" as melee commences.  Or hell, even having a dagger in your teeth pirate style for if you get disarmed. Even primitive and poor cultures would carry multiple weapons, as lesser weapons were likely to break in battle.

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So, something I like to do is make a summary, to make sure I understand things, so here goes.

1. Protogonos is covered in mountains caused by a really angry sky. Savage monsters and dragons are the only things that can live here. Except the kinda-humans who are mostly demons and some angels. And the bipedal reptillians who call themselves Descendants. 

2. Descendants have weird soul stuff. 

3. Human-ish people are from weird breeding things(?) and genocides(?!?). I'm not exactly sure how genocide created a species. Usually genocides are all about the opposite of that, really.

4. The first descendant was born from God(? Also called Seraphim) and his wife. The Dragon Lords fought them.

5. Seraphim freed a bunch of people from Dragon Lords. His Descendants didn't breed with those people much. Because racism.

6. Dragon Lords lost the war. And those of them that tried breeding with Descendants notices that Seraphim's blood pretty much overrode theirs.

7. Seraphim left to go play the Games of Divinity, things kinda suck more now.

8. Angelic people get kidnapped and sold into slavery, demonic people are more common. Doesn't slavery usually work the other way round? The smaller body of people can't support the larger body of people. Unless they're not like, industrial level slavery but more like, "put the prettiest people in my harem" slavery. And Dragon people are still around, slightly more common than angelic.

9. Main danger in the wild is feral dragons. There are bandits too. But between dragons and bandits... yeah, dragons are less fun to be around.

10. Kings and Queens are frequently worshiped. The Merchant's guild is a thing.

11. Magoi and Tearianaris created Advanced Apps, which are AI in metal suits.. made out of the flesh of dead dragons (I thought they were metal)? Which had fresh blood (Do they have to keep a dragon donating blood to fuel themselves)? And links with the mind of the wearer (so we have AI to mind-link technology)? Are these basically Evangelion mechs?

12. Fotia made war machines, that also do cultivation and industry.

Do I seem to have things about right?