pvp sorc questions

my sorc has

shaeled vipermagi
shaeled shako
t.gods
tals amu
storm/lidless wall
waterwalks
2*soj
wizpike/ oculus
magefists

9*cold skill charms (some with life)
13*small 20 life charms (some with mana)

stats:

str for stormshield
enough dex for max block at lvl 99
rest in vita

skills:

max orb
10 cold mastery (really is enough)
max lightning mastery
max thunderstorm
5 warmth
1 in energy shield and chilling armor
all remaining points in teleport (yes teleport now it doesnt cost mana to use teleport which helps alot when ur in need to escape)