Noooooo! lol
your survival bonus does so much for Attribute levels ( which effect everything), you don't want to loose that. But you may need to level a bit before moving into territory that is too dangerous. you can still build a buff suit with Platinum runes. geting a full set full with 16-19 plat runes will boost your grim buff a ton. work on that and see how things go.
What level do you suggest I get to before taking the platinum guardians? They are currently still moping the floor with me.