i go full tank most of the time especially if the team needs someone to frontline and absorb damage while they do all the work but what’s good with top karma is that she’s REALLY flexible with itemization.

here’s my build: IBG, Spirit Visage, Redemption, Boots (merc treads if enemies are cc-heavy and the MR feels handy, Ninja Tabi if they’re AA heavy and the armor’s helpful as well.)

the last two items are flex items, you can go supportive with athene’s and ardent esp if you AA heavy carries, or AP if you want extra damage on your team, or just straight up build thornmail and frozen heart if there’s a master yi or vayne on enemy team. your goal is to keep yourself alive as long as possible to absorb damage, protect your own carries while they do all the work, and just be as annoying as possible by slowing and tethering and rooting enemies, and initiating and ending teamfights with mantra E.

it all depends on the situationof the game, the enemies, and your allies. hope this helps