Universal Rule.
The model gains Strider (Water Terrain) and Scout with the following restriction: At least half the models of the model’s unit must be deployed fully inside Water Terrain or the owner’s Deployment Zone.
In addition, Melee Attacks that are Flaming Attacks from enemy units Engaged with the model lose Flaming Attacks.
Units with more than half of their models with Water Spirits are Stubborn if more than half of their models are inside a Water Terrain with the centre of their bases. In addition, Water Terrain is Covering Terrain for models with Water Spirits inside them and contributes to Soft Cover.