YOU SAID:
Kelsier's form plunged back towards the fight, dark cloak trailing behind him
INTO JAPANESE
ケルシエの姿は戦いに向かって急降下し、暗いマントが彼の後ろを追いました
BACK INTO ENGLISH
The figure of Kersier swooped down to the battle and a dark cloak chased him behind
INTO JAPANESE
ケルシエの姿は戦いに急降下し、暗いマントが彼を追いかけた
BACK INTO ENGLISH
The figure of Kersier plunged into battle and a dark cloak chased him
INTO JAPANESE
ケルシエの姿は戦いに突入し、暗いマントが彼を追いかけた
BACK INTO ENGLISH
The figure of Kersier entered the battle and a dark cloak chased him
INTO JAPANESE
ケルシエの姿が戦いに入り、暗いマントが彼を追いかけた
BACK INTO ENGLISH
The figure of Kersier entered the battle and a dark cloak chased him
That didn't even make that much sense in English.