The Wave that Cleanses the World Casting Resonance Liberation grants 36% Spectro DMG Bonus per second for 15s to the active Resonator, stacking up to 4 times. This Token can be used up to 2 times in Whimpering Wastes.

Some Acolytes believed the Dark Tide was not a disaster but a trial to weed out nonbelievers so that only the Righteous remained. This heretical notion quickly faded into obscurity, but not before the heretics created weapons that harnessed the power of the Dark Tide itself, weapons now lost to the depth of the sea.
Sources
Whimpering Wastes