I was using a verite enhanced runic crafted demon slayer heay ornate (48% damage increase), but I found it was a tad slow. So I went to a demon slayer BLckthorns Kryss (Thanks lemon!). BUT I was constantly on my "mana low lite". Searching through the old Paul Mart backstock, I found this:


I have found the whirlwind to be MOST effective with mana leech in keeping my mana up. AND my life too! WIth hit life leech and Vamp Embrace, I only die when a mob of mobs spell dump on me (which happens FAR too often). Of course, I wish it had higher / more mods, like HCI, but it works!