Jarsath Scale in KC

[Shodo]

I've seen suggestions that looting rotting Jarsath Scale is a good, essentially free way to get decent gear for a low-level character, and it sounds like a fun and more adventurous way to gear up. However, i'm not very familiar with KC (haven't been there in about 12 years). Just how difficult is it to get to these rotting pieces? Are the mobs typically pulled to the corners near the entrance, or would I need invis/an escort to get to the rooms where they typically rot?

Tldr; is it feasible to attempt this on a level 5 cleric?