As far as I can currently tell this is what the server needs.
Advertising, promotion, etc. Stress the fact that it is stable, brings back nostalgia, and there is no donations for power.
Less Clans. Yes when you come back everyone likes the underdog approach, but from what I here 1 clan is basically dominating right now and there are then a spread of smaller clans, ally up guys
Events. The game needs either automatic or gm driven events, however, not the typical event where players get like ungodly amounts of items for doing basically nothing. Simple automated one such as collect gold coins, when you have 16 you can turn them in for a small treasure chest, or if you had 45 can turn into a large treasure chest, make them drop like 1 in 40 mobs or something, and different chests have a chance of giving between A-X items from basic to good.
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Promote server to other clans. Entice large clans to join up give the leader and 2 officers of a 15+ Member clan instant 40 with low C-Grade to get them into the game, and start making revenue to support a clan with free Proof of Blood and 1 SP Scroll.
Advertise of Official forums, mask your post in places like Chronos Trade forum with title WTS get 1000+ views of a well edited posted, enticing players to come.
etc.
All in all loving being able to play C1 again wish it had more players, when talking in clan vent last night with my retail clan managed to get 4 other players to come jump on with me and continue to level through we now have a SWS/SE/SR/BH/WS in the making.
