We've all had our noob moments, those we look back and think "if only I had known..."
Anyway, mine would be when I unlocked the +5mp staff head. Back then I knew nothing of staves, and as far as I'm concerned, given that warrs get +8 energy off gladiator set and having never played any other class then, I figured every other class had like 100mp or so, so what's 5more mp? probly the lowest out there. So I sold it to merchant

Then later I started playing other classes and found out +5mp is the highest and no class broke 100mp, actually eles get lucky to get 70mp. Oh well, atleast i unlocked it, if thats a consolation. Oh well, sadly, +5mp back then sold for like 100k, even though I've made my mill, I could've gotten there faster, weird thing is that I got the +5mp off a lowly blue item. Thats why I figured "cant be that great, its off a blue!" Anyway, guess only certain upgrades go by color of the weapon.
Share yours.