I recently came back to RO and had no idea that was a thing! I've found a few servers since, including one which had an OBT recently and should open in a few days.
However I wonder if there are any good servers out there I am missing because the server search function doesn't include custom stats as a tag and some servers might be buried. Also from what I saw on a few posts on here these servers don't see to be everyone's cup of tea, however I think it's nice to roll a weapon with some extra stats to change the meta a bit.
Servers I played;
Rise of Valhalla
ProjectZero
ShiningRO
xTremeRO
I enjoyed RoV and ProjectZero the most out of these. RoV is closer to official RO with small bonuses while ProjectZero seems to have custom drops (I was farming Gakkung [2] at Argiopes...) and bigger random effects on equipments.
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Since that topic may be very limited discussion wise, what else would you like to see in a server of the sort? Any idea for random item stats? Do you think random options should be high or low? Should cards also have varying effects (Like a Poring card having a chance to be between, say, +1 and +4 LUK)?