1 - The personal shops(sell/buy/manufactory/pack) use "Balance"(NCoins on gm panel) instead of adena. Also the 'Private store list' that show ppl selling and buying stuff, show the prices in balance not adena. Add % taxes to burn coins.
2 - DKP shop inside Clan Window. With auction, shop, manegement points etc. Same as many servers had. this one no need explain, just check Innadril or other servers like.
3 - Check drop on target in a new window.
4 - Ability System since lvl 1(hooked in interface to open at 85)