Just Cause 4: Los Demonios DLC Announced Alongside Spring Update

Square Enix announced the second DLC expansion for Just Cause 4 today.
Entitled "Los Demonios", the expansion drops Rico Rodriguez into "an all-out battle against the demonic forces from an ancient past," according to a release from the developers.
Promising new missions, skills and tools, including a "Demon Crossbow and Demon Egg Supply Drop", Los Demonios reintroduces the Liberation system that originally appeared in Just Cause 3. While the release doesn't explain what, exactly, this mean