freyar
Extradimensional Explorer
OK, so we have something like
Spiny Defense (Ex): Any creature stepping on a pungi ray or striking a pungi ray with handheld weapons or natural weapons takes 1d12+X points of piercing and slashing damage from the ray's spines and is exposed to the ray's poison. Note that weapons with exceptional reach, such as longspears, do not endanger their users in this way. A creature that steps on a pungi ray further has its speed reduced by one-half because its foot is wounded.
Then add Impale for grappling?
Spiny Defense (Ex): Any creature stepping on a pungi ray or striking a pungi ray with handheld weapons or natural weapons takes 1d12+X points of piercing and slashing damage from the ray's spines and is exposed to the ray's poison. Note that weapons with exceptional reach, such as longspears, do not endanger their users in this way. A creature that steps on a pungi ray further has its speed reduced by one-half because its foot is wounded.
Then add Impale for grappling?