The Last Knights of Cambria Book 4: Secrets of the Mountain
13 parts Complete Gideon Saint has gone missing. His friends are frantically searching for him, while he lays trapped, deep in a mountain, prisoner of some unknown ancient wizard. Some unknown force is threatening Ireland, but can Gideon escape in time to warn Wales and identify the unknown foe?
If you have not read "Last Knights of Cambia" Books 1,2, or 3, do enjoy them first as this contains spoilers for those books.
Ahem, living people die, dying people live, Henry V is still here and he's awesome despite being an anti-hero at best. Found families. Sword fights. Everybody is vaguely gay, weapons are described in loving detail, people are not, lovely platonic friendships, did we mention swords? Yes, you may learn something about history, but that's a risk you'll have to take.
Trigger/Content Warning: Fantasy violence, brief peril. Characters mention having crushes, no major romance. A man and his wife briefly appear to flirt in conversation. It's briefly implied two unmarried characters have spent the night in the same room. It's briefly speculated a married person is having an affair.