What is covered in The Final Battle — Chrono Trigger Walkthrough for Chrono Trigger?

The climax of Chrono Trigger culminates in a multi-stage battle against Lavos, the sentient alien parasite that has been subtly influencing history.

How do you complete The Final Battle — Chrono Trigger Walkthrough in Chrono Trigger?

The climax of Chrono Trigger culminates in a multi-stage battle against Lavos, the sentient alien parasite that has been subtly influencing history.