I don't think chimera are actually a thing in 3e, not like previous editions at least. You can take the charm chimera-soul expression to be a blend of two shapes, but there's no downside. You can also remain casteless and Lilith is an example of this from what I read.<br/><br/>I need to figure out what Bounds spirit shape would be. Strongly leaning towards a canine of some sort to complete the Metal Gear Solid reference.