Otto's signature can only be issued in the 1 1 level of story mode and Taylor's "Otto Heroes List-Beyond Otto Brothers" level, just press the R 1 key. Zuo Fei, Chu Dai, Sai Wen, Jack and Ace, don't forget to press R 1 to send Otto's signature in the battle with the tyrant.

Appearing characters:

1, Zofi: In the combat mode, it appeared one generation later, and Severn, Jack, Ace and Tyrol each passed it once;

2. Astra: Leo is used in the combat mode, which all appeared after defeating the Otto brothers with "ルトラダブルフラッシャャャ _" (brother combination light).

3. Eddie: Before the 1 Otto mode, the 18 mission was cleared at level A or above. All Altmen have passed a combat mode. All Altman pass through the top ten strongholds at one time. (Note: The above three conditions do not include Dark Tiga, Xie Dana, Regedo and mechanical trump card);

4. Paranoid Sai Wen: Otto model "Lei Dewang Declaration of Resurrection" and "Atrium! Eddie's score on Saiwen is above B;

5. Agulu: In combat mode, Gaia (V2) appears after one customs clearance;

6.Justicia: In the 1 campaign of Otto model "Gauss VS Justicia", Justicia was won with "Gauss (eclipse type)".