Can't open Dagger Guayas (Dying Light)

Did not go pass the test. Not enough time really, need another 10 seconds if it works without a single error. Even the video looked on YouTube where people with pomocu use potions before the start, passed the test, but with the recent patch this bug fixed. The training helped but not enough as he wrote need another 10 seconds at least, somebody knows where to get them or something