“Frank, how did you do that?" Jason yelled. Frank's head swam with pain. He forced himself not to pass out. "I'm the ranking Roman officer," he said. "They- uh, they don't recognize you. Sorry." Jason grimaced, but he didn't look particularly surprised. "How can we help?” Percy JacksonLegionRick RiordanJason GraceHeroes Of OlympusHouse Of HadesFrank ZhangCenturionLegionnairesPraetorRoman Official Book:The House of Hades Source: The House of Hades