As you see there are 10 circles that pertain to the icewall+pp combo.
Wizard3 gives 50% dmg, surespell
Cyro3 gives best icewall, shield, frost tree, snow rolling
psycho3 gives PP, teleport, swap, single target CC telekinesis, raise,
rune gives 300% on ice damage
(warlock gives nice damage on dark theurge)
For pvp/pve grind:
Wiz>cyro3>psycho3 lots of CC
For pve boss:
Wiz>cyro3>psycho2>rune1
exchange raise and some damage from PP into ice rune which gives
300% dmg increase icewall
thats 592 lvl 15 icewall x 3 = 1776 damage in icewall
ice rune has 50 sec duration, ~2 min total CD
icewall has 65 sec CD
Pros: Kill bosses with one rotation. highest burst in the game
double icewall+monk energy burst combo
.
Cons: high CD, needs perfect positioning, PP can be interrupted