Would you need to put the points aside for gnarlmaws? It doesn't say you have to, and normally it does say now if you need to. Gnarlmaws are 50 points each though. Also take up a fortification slot so Slimux is an easy way to get them in your army without having to take a fortification detachment.
Once they're on the board they're treated as terrain and can't be targeted.
Btw, his profile is:
M:5" 2+ WS and BS S5 T6 W9 A4 L8 4+
Weapon +1S -3AP d3 damage
Plus an attack from the snail in addition to normal attacks S7 AP-4(!) 3damage
Edited by radionausea, 12 January 2018 - 11:32 AM.