Though not directly appearing, his existence is hinted through the bomb maker's clues, and the audience begins to understand his terrorist financing background.

Introduced as a banker funding terrorists, the audience understands his core role in the financial conspiracy.

His accomplice Dimitrios is killed, showing his coldness and the breadth of his network, the audience feels his threat.

Plan fails, loses huge funds, the audience sees his financial difficulties, needs to recover through poker.

Financial difficulties highlighted, the audience understands his pressure, needs to win back funds through poker.

Prepares for poker game at the casino, the audience sees his eye twitching "tell", exposing inner tension.

Desperate and cold, tries to win back funds through poisoning and strategy, collapses internally after failure.

Shows abusive tendencies through torture, heart filled with desire for survival, desperate to survive.

Death marks the end of character arc, but his failure exposes the existence of a larger organization.