Plink hopes that nobody noticed him nearly swallowing his tongue when he sees the ghouls. Thinking fast, he turns to Hexz, Hexz, uses your mind powers to tell Gibs not to brings the reinforcements yet. The deaders wants to talk.

Bluff (for the benefit of the ghouls) (1d20+8)[19]

Attempting to be nonchalant (while inwardly terrified), Plink remains astride his wolf, one hand on the reins while he gestures with the other. You want talks, dead guy? Okay, talks is good. What you got to say to us? Maybe we makes a deal.

Spoiler: Plink's other rolls
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Diplomacy (1d20+8)[9]
Gather Information (1d20+4)[21]
Sense Motive (1d20-1)[0]