Clear a dungeon's final boss on your own (Izix)

Yes, yes, I know I am late, deal with it. Here’s your daily quest.

Clear a dungeon's final boss on your own 0/1.

(“With pets” is counted as “on your own" as they are kinda belonging to you.)

Reward: 1 skillbook

1 skill evolution point

Reference
Accepted in Chapter 33 "Breakfast, skipping school, once again a new pet"