Im bored, so heres some spoilers for the last few episodes, and how most of the Homunculi die.
Ok, the Homunculi are powered by the Blood gems. These stones give the Homunculi their powers. Greed dies when Dante shows him his skeleton from his past life. The homunculi are weakened when exposed to the remains of their old bodies. Lust dies when she betrays Wrath and Sloth, Wrath finds a locket that holds a piece of Lusts hair and shows her. Sloth dies when she is exposed to the remains of her old body. *Sloth is really the Homunculi form of Ed and Als mom* Wrath mysteriously dissaperars when the underground city collapses. He is persumed to have escaped. Gluttony goes mad when Dante reemoves all his feelings but hunger, and attacks her. He also dissapeared when the city collapsed. Pride aka King Bradley dies when his son finds his skull in the family safe and kills his dad the King aka Pride. Envy is really Ed's dad's first son!! Envy dies when Ed's dad shows him his toy. In the end. Dante is overcome with power and is killed by Gluttony who's gone completly insane. Wrath is betrayed by Dante who removes his arm and leg. Ed is sent through the vortex in the 19th century. While Al regains his body. But he turns back into a kid. Now Al is in present day, while Ed is stuck in the past. Izumi is still heartbroken because Wrath aka her son is missing. THE END