Rolls
Spellcraft (identify potion 1) - (1d20+12)
(15) + 12 = 27
Spellcraft (identify potion 2) - (1d20+12)
(10) + 12 = 22
Spellcraft (identify potion 3) - (1d20+12)
(18) + 12 = 30
Spellcraft (identify potion 4) - (1d20+12)
(16) + 12 = 28
Spellcraft (identify wand) - (1d20+12)
(4) + 12 = 16