Siege and Storm
After Rusalye is killed, Sturmhond suggests one of the Fabrikators on his crew craft an amplifier for Alina Starkov. Irina is woken up to craft the Sea Whip's Fetter. She studies David Kostyk's work on Morozova's Collar and worries about giving Alina an unprecedented second amplifier.
After Alina demonstrates her increased power, Irina looks like she might be sick.
Ruin and Rising
Irina keeps her hair in braids and gnaws her lip when she's thinking.
Powers and abilities
Sturmhond considers Irina his best Fabrikator.