arkham-knight-studios-riddler-trophy-voice-puzzle
16. Use Freeze Blast on the pipe, climb up, use the Disruptor on the Weapon Crate, then Voice Synthesizer to send robot to the crate.
16. Use Freeze Blast on the pipe, climb up, use the Disruptor on the Weapon Crate, then Voice Synthesizer to send robot to the crate.