Level 1 Pass – $6 (Regional Price)
Level Bundle – $30
14 Collector's Cache – $35 (But in the 14 I got an extra Marci and a Primal Beast, which I'll sell to recover the money of these 14 through gifting)
Started with 1 Level
Got 32 Levels and 8 Levels once in Tusk Kicks – 40 Levels
Bundle – 120 Levels
Candyshop 25*4 + 5*1 = 105 Levels
Cavern Part 1 – 40 Levels
Cavern Part 2 – 8 Levels
Normal Weekly quest 8*3 – 24 Levels
Bonus Weekly quest (other than the 32 and 8) – 14 Levels
Collector's Cache – 36 Levels
Collector's Cache Recycle – 14 Levels
Weekly Bonus 2*12 – 24 Levels
Some 40 Odd Level from TI predictions, in-game predictions, fantasy, some tusk kicks with gave more than 1 level, etc.
Currently, I am level 464 but will reach the Void Arcana in the coming weeks with the quests and weekly bonuses.
Luck played a BIG part!
Source: https://www.reddit.com/r/DotA2/comments/z4oiuc/how_i_got_the_faceless_void_arcana_for_40/