Uncursable
This bug makes anyone temporarily immune to the resist debuff in the magery Curse spell.
1) First you need a friend or second account with a necro-mage.
2) Cast Evil omen on the target you want to be debuff proof on, then cast Mass Curse after Evil Omen.
The targets stats (str, dex, & int) will decrease, but higher resistances will not drop to 60s.
Using an apple will remove the effect as will the timer, and you would need to repeat steps 1-2.
This might have some use for someone somewhere at some point.