Part 09: Hermit's Hideaway - Chrono Cross Guide - IGN

You can safely skip this part and go to Water Dragon Isle if you choose to recruit Nikki in Part 05. If you recruited Guile or Pierre, however, read on.

How to Recruit Riddel - Recruitment - Characters, Chrono Cross: The Radical Dreamers Edition

Part 12: Mount Pyre (Another) - Chrono Cross Guide - IGN

Part 10: S.S. Invincible - Chrono Cross Guide - IGN

Part 06: Viper Manor (Another) - Chrono Cross Guide - IGN

Part 17: The Einlanzer - Chrono Cross Guide - IGN

Part 13: Fort Dragonia - Chrono Cross Guide - IGN

Part 15: Party Recruit - Chrono Cross Guide - IGN

Part 12: Mount Pyre (Another) - Chrono Cross Guide - IGN

Part 09: Hermit's Hideaway - Chrono Cross Guide - IGN

Part 09: Hermit's Hideaway - Chrono Cross Guide - IGN

Part 21: Characters & Techs 1 - Chrono Cross Guide - IGN