Wood_Duck

Heard him firing some shots in the distance after they exited their egg.

They're saying that multiple hundreds of thousands enter, not just a single hundred thousand.

Nvm, they haven't received them yet. No clue how they know what their affinities are.

No, probably part of the memories they received.

yeah that's later in the story though, all feet measurements are messed up in this apparently, they called someone whose supposed to be small and feeble like 7 feet tall at some point, I forget where.

Nah, they were already over 7 feet tall at a bit under 8 years old, they probably actually are 8 feet tall now.

54 left, they had 64 years of lifespan and 1 imprint in storage so they used up the one in storage first before spending 10 years of lifespan to bring their lifespan down to 54.

They mentioned that their rival which is Vali has a butt fetish, not Issei.

On our side

It is, they're just mentioning how even though time is accelerated by a 1000 times, it's still going to take a full year for the tree to fully grow.