Signs of the Final Battle
Kessen no Yokan
"Hilde sneaks on board Libra to steal the blueprints and runs into Relena. When she escapes to Peacemillion, she is nearly killed until Duo arrives to fight against the rebuilt Mercrius and Vayeate, now mobile dolls programmed with Heero and Trowa's combat data. Duo reveals to Heero (from Hilde) that Relena is on Libra. "