there is :
lvl 45 24 person Raid gorluxors tower (soloable at max lvl) (only drops costumes and mount skins)
lvl 51 24 person Raid dead city (doable with 2 ppl at max lvl exept for last boss i guess not sure what you still need there cuz you only go there for costume and this drops at 3 boss) (only drops costumes) i dont count lowie relics
lvl 55 24 person Raid teps pyramid (soloable at max lvl with good gear) (only drops costumes and mount skins)
lvl 60 24 person Raid Eclipse (at least 1 rrly good grp needet cuz 10 boss is still hard) (drops costumes and relics lvl 60 which are still usable)
lvl 65 12 person Raid ferris (offer hard and easy mode)(max lvl instance good raid needed for full clear)(drops best relics,mount skins and costumes)
lvl 65? 12 Person Raid Ancident mound (easy farming instance to increase your gearing speed 1 grp with equip still neddet cuz some bosses have a kind of enrage timer)(drops costumes and upgrader for equipment)
with next patch we get a new lvl 70 raid