This one's probably not a bug, but just the usual way of NCsoft screwing players up with carefully (not) crafted item tooltips.
Innadril Divinity Royal Guard Ring Ring given to the royal guard of Innadril territory. Divine power defense +15. No exchange/drop available.
Innadril Guard Earring Earring given to the royal guard of Innadril territory. Sleep Attack +15%, Stun Defense +15%, Water Power Defense +10. CP increases +5%. Cannot be exchanged or dropped. Only one effect is applied when wearing the same two earrings.
Based on these descriptions, would you expe