Grease

Casting Time: 1 standard action
Range: close (25ft+5ft/2lvls)
Targets: one object or 10ft.sqr
Duration: 1 min./level(D)
Saving Throw: see text; SR: no
Anyone in the area when the spell is cast must make a
successful REF save or fall. Walk through area at half
speed with acr check(DC10) fail:can't move fail by 5 or
more:falls don't move:no check Object wielded by
creature: REF save each round or let drop