Favorite hero from Dungeon.

You're confusing him with Kifros.

Yes, I always forget their names. I haven't played in about 2 months, so I've forgotten a lot.

Unfortunately, that's not the case.

Come on, we know you, you're just being modest.)))

Which skill should I take as the fifth, if, for example, the game is long, up to level 23?
I want attack, luck, and logistics/keen mind.

I think attack is unlikely, or maybe only towards the end. But in general, luck seems like the most obvious choice, but you really need to look at the situation. The last skill is the last skill for a reason.
As far as I remember, Letos is a very flexible hero, and being able to make the right decision at the right time is especially important for this hero.