Charm of the Great Sea Serpent:

Charm of the Great Sea Serpent (Legendary) When the artifact wielder is at war and is a leader unit on the field: Gain 1 charge for every unit killed in battle that the wielder is apart of Gain 2 charges for every unit killed by the wielder directly Gain 3 charges for every leader unit killed/defeated in a war session duel by wielder Spend Charges: Spend 1 charge = Wielder may grant a unit of your choice the effects of the Water Breathing spell for the war session. Spend 3 charge = Wilder grants an adjacent unit +1 speed and the effect and the effects of Semi-Aquatic for one war session. Spend 5 charge = Wielder may summon the "Sea Serpent" Classical Naval Unit; adjacent to the wielder unit or a City/Fort/Dock they own; lasts for one war session. Current charges: 10/10 Description: A charm depicting a coiled sea serpent, with shining lapis scales and golden eyes.