The Knights across all the realms gather at Chronville. The finest of the finest that the realms have to offer all fighting against the Skeleton Master.
The first hero you will encounter is actually Bris, or more commonly known as Forest Knight. Forest Knight is technically a knight, the first knight, but he is one of the plentiful heroes that you'll encounter during the game. These heroes are the best the realms have to offer and they are there for you to recruit them.
Forest Knight, needs good companions in the battle against the Skeleton Master. These courageous heroes have travelled long distance, some across dozens of realms just to join Forest Knight here, in Chronville, where they will make their stand against the Skeleton Master's invasion.
Every Hero has base stats, a weapon, armor, and accessories that boost those stats, and a unique special skill with its own mechanisms, power, and effect.
Every hero has a different movement range. This can be anywhere from 2 for the average hero and up to 4 for some more mobile heroes.
Attack range differs for melees, rangers, and casters. Melees always must swing at a melee distance while rangers and casters can do so from a distance.
All heroes have their own unique weapons which can't be fitted to any other hero. This will be very obvious from the comments on the actual weapon tooltip.
Weapons provide special passive bonuses, e.g. healing, poisoning, gaining mana, different types of buffs and debuffs, etc.