Off-Tank Sejuani Build
I've mained Sej for a while now, but have always ran her full tank. I was thinking about dabbling in an off-tank build and would like some suggestions.
Currently I'm thinking something to the tone of:
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I think the Liandry's+sunfire combo should be pretty good at outputting multi-target DoT, since she is usually in the middle of the enemy team, plus every single one of her abilites can hit multiple people. In addition, she's all about slows so the extra damage on Liandry's will always be able to proc.

(forgot earlier that Cinderhulk and sunfire share a passive)
or
,
,
or
can give you a semi-tank build.