Not the least bit incongruous.
Quite hilariously, their audios are all at the comparable lengths as if to make the switch easy.
For a less irreverent take on frontline minturn with this servant, see:
https://www.bilibili.com/video/BV1P64y1C76W
Fate/Grand Order
Fate/Requiem: Board Games of the Apocalypse
[High Difficulty] Child From the Netherworld
Red Hare (Saber) Frontline 3T
『Fate/Requiem』盤上遊戯黙示録
【高難易度】黄泉の申し子
赤兎馬 (セイバー) 3T 前衛のみ