You buy armor peircing if tons of resists, buy spell break/plated armor depending on the dmg you are taking
Vyper SKill build
Vyper Build Description
when you get cultist sacrifice, spam it on a tier 3 camp on cooldown, use fleetfoot to slide ez, active reload gives both lifesteal and fire rate. buy either escalating resilience or spirirt resilence depending on what the other team has. build everything in order otherwise