The frozen icy rogue continental planet near the Roche limit of the gas giant would experience intense gravitational tidal forces, leading to significant heating of its interior. This could potentially cause the planet's icy crust to melt and form a subsurface ocean of liquid water. Over time, the planet could undergo further geological processes and potentially evolve into a terrestrial or even habitable world, depending on various factors such as its composition, atmosphere, and proximity to its host star.

Nocturnal terrae is a hypothetical type of rogue continental planet that harbors advanced, Earth-like life forms. Despite being rogue and drifting through interstellar space without orbiting a star, these planets are able to sustain life due to internal heat sources, such as radioactive decay, tidal heating, or residual heat from planetary formation. On a nocturnal terrae planet, advanced life forms have adapted to the extreme conditions of perpetual darkness and constant cold. These organisms have likely evolved specialized adaptations to utilize alternative energy sources, such as geothermal heat or chemical reactions, to survive and thrive in their harsh environment. The ecosystem of a nocturnal terrae planet may be bioluminescent, with organisms emitting light to navigate and communicate in the dark. Plant-like organisms could have evolved unique photosynthetic mechanisms to capture and utilize the limited available light from distant stars or bioluminescent organisms. The advanced life forms on a nocturnal terrae planet would have likely undergone millions of years of evolution to reach a state of complexity comparable to that of Earth's biosphere. They may have developed sophisticated societies, technologies, and cultures, similar to those found on Earth. Overall, a nocturnal terrae planet with advanced, old-aged life would be a fascinating and complex world, showcasing the resilience and adaptability of life in the vastness of space.