Summoner Spell Sound Files

For me it was, C:\Riot Games\League of Legends\RADS\projects\lol_air_client\releases\0.0.1.219\deploy\mod\tbd\assets\audio

Go into your Riot games file, click on it and follow the steps. To make it easier to read you can use Ctrl+ F.

TBD_sfx_summonerspell_choose_flash_01 --> for flash

TBD_sfx_summonerspell_choose_heal_01 --> for heal

Note: The number after releases may be different on your PC.

Found em, thanks dude