On Earthen Ring-US the Maeltrom Crystals are still goin for anywhere between 200-400g each, depending on the day and Heavenly Shards for 125g each. Greater Celestial Essences for around 150g minimum, so if you can gear up a team in all the 378 gear from the HoT randoms, most can be from the quests in there, then you can Disenchant all other gear that you don't need, getting atleast 4 of the crystals on each run plus the essences/shards from greens/blues. All else fails, you can farm JPs along side that and buy up and DE the cheapest JP gear you can get too for more crystals. Relics/Wands/Thrown usually only cost around 700JPs and you can get half that from one random.