Don't understand the eren and the founder titan's power at all

eren founding titan  With the vow in tact, the power of the Founding Titan could not be utilized to its full destructive potential Until our current story with Eren He killed and ate the last queen The royal family passes their abilities in Titan form by consuming another Titan, thus gaining that Titan's

Aryan · @AryanXVII__ · May 29 Every little detail foreshadowingEaster egg in Attack on Titan, a thread: 1) Eren's founding titan foreshadowing Image 44  This video shows the process of Eren Founding Titan #AttackOnTitan #ShingekiNoKyojin #TheRumbling

This video shows the process of Eren Founding Titan #AttackOnTitan #ShingekiNoKyojin #TheRumbling  With the vow in tact, the power of the Founding Titan could not be utilized to its full destructive potential Until our current story with Eren