Discussion
Worth the zeny? Best build or combo for it? Share your take and debate Professor Stone (Upper) with other players.
Professor Stone (Upper)
Professor Stone (Upper) is a Card item in Ragnarok Online. It weighs 0. View Professor Stone (Upper)’s stats, effects, and drop sources for Renewal servers below.
Data updated
Reduce attack speed by 1% per 1 skill level of Study learned
| Type | Card |
|---|---|
| Subtype | Enchant |
| Weight | 0 |
| Slots | 0 |
| Buy Price | 0 Zeny |
| Sell Price | 0 Zeny |