Purifying light is going to add a lot of burst to your kit assuming your a Damage dealing magplar. Not really a whole lot of info to work with there lol, but just based on what you said that would be my recommendation

Both have very good benefits. Vamp Bane is not only a dot that snares and can proc skoria but it also gives you major prophecy for its duration. Purifying Light allows you a window to set up burst in and get some nice bonus damage when it hits. As others have said, need more info about your build.

I run 5/1/1 light, dw/sb
5 mechanical acuity
5 wizards reposte
2 zaan
2 willpower
my front bar is a follows
sweeps
purifying light
radiant oppression
toppling charge
inner light
shooting star

back bar
focus
extended ritual
mist form
entropy
bol
bats

Syiccal wrote: »

I run 5/1/1 light, dw/sb
5 mechanical acuity
5 wizards reposte
2 zaan
2 willpower
my front bar is a follows
sweeps
purifying light
radiant oppression
toppling charge
inner light
shooting star

back bar
focus
extended ritual
mist form
entropy
bol
bats

Id drop inner light for vamps bane. Even though you aren't using valkyn, you are using mechanical acuity, and having that dot tick in the background is going to add ALOT of dmg to purfying light when acuity is up..

You can also drop toppling charge for another spell assuming you are running speed pots at least. Otherwise I'd probably swap meteor for whatever ultimate you need on the field of battle (soul assault to put pressure during acuity procs and soak huge dmg into purfying light, meteor for group fights, dawnbreaker for a stun, empowering sweeps if you want a cheaper ultimate, etc.)

Drop inner, it's only big benefit is the max mag because acuity will take care of your crits.

And because you have dots + Zaan + acuity you don't need high stats at all to kill.

Bane, into toppling Zaan and sweeps is really hard to counter.