Shields are held in one's off-hand to block additional damage beyond what is blocked by armour. In Cosrin: A New Dawn, shields must be held in one's Left hand to be used.
Here is a list of shields that have been created by mortals and their stats.
Item: iron bulwark (bulwark) Heavy and formidable, this piece of armour is very solid. This must have been made by a very capable smith within the guild. This item is a Shield. Hold in your left hand or Activate commands This item requires a land level of 10 to use This item requires a guild level of 10 to use Offense modifier POOR Defense Modifier POOR Fire Resist Mod BARELY ADEQUATE Cold Resist Mod POOR Electric Res Mod POOR Poison Res Mod POOR Entangle Res Mod POOR Armor Class Modifier SUPERB
Item: bronze bulwark (bulwark) Heavy and formidable, this piece of armour is very solid. This must have been made by a very capable smith within the guild. This item is a Shield. Hold in your left hand or Activate commands This item requires a land level of 15 to use This item requires a guild level of 15 to use Offense modifier BARELY ADEQUATE Defense Modifier POOR Fire Resist Mod BARELY ADEQUATE Cold Resist Mod POOR Electric Res Mod POOR Poison Res Mod POOR Entangle Res Mod BARELY ADEQUATE Armor Class Modifier SUPERIOR