Material usage is the same 150 for non humans and 250 for humans
For your HUcast I would strongly suggest skyly as this id finds Lame D' Argent, Chain Sawd, Red Sword, Sealed J-Sword, Soul Banish, v101 and Swordsman Lore. You could also opt for redria
As for FOnewm pinkal without a doubt.
Here is an old topic you can check out... http://www.phantasystaronline.net/forum/index.php?/topic/5401-estadistica-servidor-ultima/