I forgot a detail and what should I do?

ok, so while writing this, I decided to reread the manwha, but I noticed that when the kids awaken, they get a tattoo of the spirit soul on there hand. so I can do three things. 1edit the 1,2 chapter two include that when the children awaken. 2 just not include the tattoo. 3 explain that the tattoo shows up at essence level 10 and that it didn't have enough essence before?

should I add the first three chapters together to make one big chapter or leave them apart as is

I'm wondering if I should upload 1 chapter 1000 words a day or a couple of short ch with 300 to 500 words a day

also, I'm sorry for going on a rant, but should I leave the character description to the indifor Mc, or should I make a description for him?