WHAT DOES MECHASULTAN TERBARU MEAN?

Kakumeiki Valvrave 2nd Time Haruto and his comrades proceed to fight from the forces of Dorssia. However, many things stay unanswered in the midst of fight, such as the previous of L-Elf and his fellow soldier's past, the destiny from the mysterious Woman Liselotte, as well as the inner thoughts of Haruto, Shouko, and Saki.The vial falls in the arm