I’d keep. Been looking for a 2/20 Necro for some time, for poisonmancer, it is nice to have the extra skill compared to Griffons, I think, and the mpk may be handy because optimal set up will be running Infinity (although I haven’t had real mana issues with either that I’ve leveled into 90s). Comparison, I think is Griffons (which also has no helpful secondary mods) or a 1/20 circlet, where tradeoff would be skill for any better secondary skills. This assumes DWeb set up, where 20 FCR is needed from circlet to get 125.