Seedbed Curse

There are several in the world. The input lists these spots:

• Capital Outskirts (Outer Wall Battleground): dropped by Blackguard Big Boggart after you free the Dung Eater from the Subterranean Shunning-Grounds and exhaust Boggart’s dialogue.
• Leyndell, Royal Capital (East Capital Rampart): past the first lift, on a corpse on the top floor of the building with the cracked ceiling.
• Leyndell, Royal Capital (West Capital Rampart): inside the room of the Fortified Manor where the Dung Eater sits in the Roundtable Hold.
• Volcano Manor: up the stairs in the room before the Sending Gate to the Audience Pathway Site of Grace, behind a Stonesword Key fog.
• Miquella’s Haligtree (Prayer Room): one on a balcony on the western wall overlooking the courtyard with ballistas, and another in a dark room below.