whats best tanking merc/gear 4 mf orb sorc?

[SaycoDevils]

hey guys i need some help wit merc for my sorc, i currently got a nm act 2 holy freeze merc with cham p gaze eth shafstop n troll reaper. Yet my merc always dies facing andy/meph but i also am only lvl 78, how can i improve. And also should i socket troll reaper wit ber for 20% curshing blow? ty guys.

[$hane]

Reapers toll is great, socket that beast with a shael and put a eth guardian angel on him and maybe a kira's helm for 90 resist all and cannot be frozen mod plus fhr. You can socket the GA with more ias and he should almost never die.

[nlm908]

naw but a anm in it for 21 life leach ur merc will hardley die with all the life leach, only iron maden will kill him most likely