I'll pop Vixensnarl in here as a possible subject for obsession! She's 16 moons and recently became a warrior and is soon to be a member of Dawnstar's family! She's extremely manipulative and willing to do anything to be in a high standing and become "untouchable" by anyone other than Dawnstar to guarantee her place and safety within ShadowClan. I could definitely see her and Pineclaw having a few chats, and perhaps she tries to subtly manipulate him into supporting her and being an ally, but instead that leads to his obsession with her. This could lead to some interesting future plots, and I don't have much planned for her so I'm open to any ideas that could pop up in rp ^.^. If you'd like any more info just lemme know
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SuspiciousMindz