Acclimatised: Whilst attuned to this item, the Wearer and up to 4 other allies within 60ft Can breathe water and do not suffer the normal damage taken from underwater pressure.

Lead feet: Whilst attuned to this item, the Wearer loses any ability to swim and instead sinks at a rate of 450 feet every round but does not take any fall damage from falling underwater

Sonar ping: Whilst attuned to this item, the Wearer can send out a sonar ping (no action required), this grants the user blindsight up to one mile for a split second, this can be done 5 times, regaining a use upon rolling initiative.