Wall of terrible maw

You make a flesh wall that is 30 foot acrossed and 5ft thick with a gaping touthy maw in the middle hostlie creatures that are 10ft in front of the wall make a streagth check to take half 2d10 pericing damage and resist being restrainted if they fail they are restrainted and will have to make the save again at the start of thier next each turn you mantain concentration on this spell you gain a stack of frightened every time a creature succeeds a steangth check against the wall you make a con save of 15  to maintain consitraion on the spell creatures larger than 30 feet always succeed the saving throw