Yeah Rom mostly wears ya down with adds. She won’t spawn more until she teleports so you can take your time with those (hit the body, not the rock head and they go down quicker) (or use blunt weapon) I would suggest wearing Arcane resistant armor, but this is [i]Bloodborne[/i] and armor is purely decorative on the body of a skilled Hoonter. Wear whatever you want. Kin (such as Rom) are weakest to Bolt and Thrust dmg so maybe use Tonitrus as Aifos recommended or a poking weapon/moveset. If you don’t want to level another weapon, use bolt paper or whatever it was called. Meteors (her little stand up move) can be dodged by strafing (tight miss if you run diagonally i think. Good as you’re approaching her.) The back roll is the geysers which don’t often hit, probably the weakest move. Main thing to worry about is the close AoE she does. Especially when in the middle of an attack combo, be wary. Other than that, slap the body. She also takes damage during the teleportation so heavy attack when she does that for more dmg. (I think she doesn’t teleport until she’s not being hit.) —- Undead Giant is not so bad when you dodge between the legs. Never really had a problem with him, even in the harder Dungeons. Chalice Dungeons are a nifty source of Blood Gems too, which can help you with Rom if they’re the “ATK vs kin UP” or bolt UP kind. Harder to find though. Actually not sure how common they are… Make sure you got good runes equipped too. Good luck, Hoonter.

I was going to offer some advice, but it's honestly been so wrong since I fought Rom that I actually don't remember whether it was better to take out the ads asap, or just try to ignore them. What I can say however is: A. Keep moving. Don't stand in one place for very long. Don't get greedy. It's better to land one hit and live than to land three and die. B. I remember Tonitrus being very good for that fight if you have the stats/upgrade materials.