Right now I'm playing a rogue on mobile, along with the cleric on PC, I'm yet to successfully clear the game with that meek class, but in my run I'm trying to get the best possible the faster possible;
At day 18, level 6, I have assassin boots, lionskin cuirass, half moon medallion, and the very helpful corsair falchion, with 18 quests cleared so far; I equipped Griss with some other rewards, like sword of shock and amulet of the forest.
It's more of an item rush than a real speed run...