Early game: lasts until you finish your first playthrough, before starting new game+

Mid game: lasts until you farm all the skulls you need (at new game+) and reaches level 100 (at new game++)

Late game: lasts until you farm all the best in slot items and enough gold to enchant them (new game+++)

Very late game: lasts until you beat tarroch's tomb 10 waves and beat netherlord at new game+++++

1 - Finish your first playthrough, advance to new game+, beat the netherlord at new game+

2 - farm all the skulls of limoany you need in the phase beast challenge protect the crystals in new game+

3 - advance to new game+++ and beat the netherlord there. Then farm something around 15 million gold and most best in slot items you want (specially a weapon) and skulls (specially skulls of riechliu) at the phase beast challenge avoid the lava in new game+++

Beyond limoany and riechliu, you'll need skulls for your weapon like rambrem, whorlbarb, vellinque, X'n!troph or eyes of Aleera. You may also need wfuntir for your armor in a spell based build.

Eyes of alera can be farmed at three sisters, all the others at avoid the lava.

4 - with at least a bis weapon and 6 bis armor/trinckets, search for boris the stout and enchant each of your items three times with the +atribute you need. Then search for juris the socketer and give each of your items at least 2 sockets.

If you use an auto attacker build or skills bases on your weapon dps or damage, you'll need to enchant your weapon(s) with the apropiate +elemental damage (NOT damage per Second). Emberquake engineers will need +fire damage from Mooritz of the desert, outlanders will need poison damage from Farquez the assassin, Bersekers may need Ice damage from Panosh of the North. Give to each of your weapons 3 enchantments of +elemental damage. Embermages usually don't play with skills based in the weapon dps, so they can enchant their weapon with +atributes.

Then search for Karzoki the All-powerfull and give each of your items a random fourth enchantment.

After that you'll be ready for very late game

5 - defeat tarroch's tomb 10 waves at least once and go for the netherlord at new game+++++

After that, you'll have finished the game

https://youtu.be/rmnTQELmXXs

https://youtu.be/mWeC6jgCf80

https://youtu.be/-UP59jld8Lg