Heihachi makes the observation that his grandson possesses the Devil Gene, which, in Tekken lore, is one of the central aspects to the dysfunction within the Mishima family.

However, the tell-tale red glow that would appear in Jin's eyes from time to time also makes an appearance, indicating that something within Jin is also reacting to the energy that accumulates in combat. With the amulet in his possession in the final bout of the tournament between himself and Jin, the Ogre appears when Jin defeats Heihachi, his next opponent being the monster itself. The King of Iron Fist Tournament is Heihachi's means of creating this energy and concentrating it in an arena of his choosing so that he may capture the creature. Ogre is an entity that feeds off the energy that is concentrated when people, especially strong martial artists, engage in combat. The anime builds Jin as a character and tries to have a story that follows the original games closely enough while still having a unique perspective. At first, the series is set somewhere in the time between Tekken 2 and Tekken 3, which is evident due to the focus on Jin Kazama and his relationship with his mother, and how it is contrasted by the relationship he has with Heihachi.

As such, certain aspects seemed lacking in context due to some choices made in keeping some narrative elements over others. Tekken: Bloodline appealed to core fans of the franchise more so than it tried to establish total coherence in the narrative.

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