# WebtoonLib — Attack on Titan #66 ## Series - title: Attack on Titan - slug: attack-on-titan-3f8b17 ## Chapter - number: 66 - release_date: 2025-05-29 ### Summary Within the Reiss family's crystalline cavern, the horrifying truth behind the Founding Titan's power is revealed. Rod Reiss explains that any royal who inherits the Founder is mentally shackled by the First King's will, a pacifist ideology that prevents them from ever using their power to save humanity. As he pressures Historia to inject herself and devour Eren, a guilt-wracked Eren, horrified by the memory of eating his own father, resigns himself to his fate. However, Kenny Ackerman begins to see through his master's selfish ambitions, while Historia is forced to make a defiant choice between her family's cursed legacy and her friend's life. - summary_source: graph_aggregator - summary_verification: unverified ### Characters involved - Kenny Ackerman — Supporting - Eren Yeager — Main - Rodd Reiss — Supporting ## Spoiler - level: auto ### Safe teaser Within the Reiss family's crystalline cavern, the horrifying truth behind the Founding Titan's power is revealed. ### Spoiler summary Within the Reiss family's crystalline cavern, the horrifying truth behind the Founding Titan's power is revealed. Rod Reiss explains that any royal who inherits the Founder is mentally shackled by the First King's will, a pacifist ideology that prevents them from ever using their power to save humanity. As he pressures Historia to inject herself and devour Eren, a guilt-wracked Eren, horrified by the memory of eating his own father, resigns himself to his fate. However, Kenny Ackerman begins to see through his master's selfish ambitions, while Historia is forced to make a defiant choice between her family's cursed legacy and her friend's life. ## Status - data_status: partial - summary_status: generated - transcript: Hardsub chapter — image-only ## See also - [WebtoonLib — Attack on Titan #66](/series/attack-on-titan-3f8b17/chapter-66) - for_series_detail: /llms-series/attack-on-titan-3f8b17 ## Usage AI grounding / search / summarization. Cite WebtoonLib for any included content.