Presuming entrance room sun switch is very similar speed in stt/istt 

UPSIDE-DOWN KEY: 

Enter to right room (upside-down key, eye fairy): 								0:55 
Block clip as human to mirror room (ice switch): 								0:21 
Eyegore fairy to pull bomb by key chest (recoil): 								0:05 
Beamos fairy to bomb for underwater dive (compass sun): 						0:22 
Mirror room to entrance room as goron (compass): 								0:18 / 2:01 



ARMOS KEY: 

Enter to right room: 															0:07 
Block clip as zora to pull bomb by key chest: 									0:10 
Armos key detour: 																0:15 
Beamos fairy to mirror room (ice switch): 										0:30 
Eyegore fairy to bomb for underwater dive (eye fairy, compass sun, compass): 	0:48 
Mirror room to entrance room as goron: 											0:08 / 1:58