How to say "在我之前一直于此为塔主炼药" (zài wǒ zhī qián yì zhí yú cǐ wèi tǎ zhǔ liàn yào) in Chinese dialogue

zàizhīqiánzhíwèizhǔliànyào

had always been here refining drugs for the Tower Master before me.

Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0108:11
què
shé
tài
yīn

The voice-keeper Taiyin,

LINE 0208:12
PLAYING SCENE
zài
zhī
qián
zhí
wèi
zhǔ
liàn
yào

had always been here refining drugs for the Tower Master before me.

LINE 0308:16
zhǐ
yǒu
zhǔ
jiàn
guò
de
zhēn
shēn

Only the Tower Master has seen his true face.

Show Information
Source MediaTV Series
Season & EpisodeS1 E7
Timestamp08:12
TMDB ID316780