alcohol no effect

"So why were you unaffected?"
"What do you mean?"
"When we were fighting the Arbiters, you were fighting with more focus and drive than the rest of us. We were inhibited by the Geest." "Most of you only took one swig of the stuff! Is it really that strong?"
"It most certainly is. Geest is one of the most sought-after drinks for its potency."
"Well, in any case, my physiology is different from other humans on Sin. We may look similar physically, but biologically we're completely different. The alcohol from this world didn't have any effect on me."

- Cassandra Conflict, Chapter 5