Talk:Past Interaction/@comment-24053170-20190905183255/@comment-29325824-20190905192139

He's not using actual time travel, as only Grisha could experience his presence, not even the Founding Titan (who was right there) could. Besides, Eren explicitly says to Zeke (while demonstrating it) that the Attack Titan can freely interact with its past holders, allowing them to experience the future.