List of the Tough Monsters

Monsters

 * Mongolian death worm
 * C.U.P.I.D.
 * Fire Salamander
 * Dryad
 * Vectual Drak
 * Ratadon
 * Gibbering Troolis
 * Danker
 * Slapper (Troop)
 * Forest Monster
 * Licheee (Monster)
 * Bubbles (Monster)
 * Mr. Tickle (Monster)
 * Mrs. Sclapanos (Monster)
 * Young Repticore

Plot
The Danker starts to make the people dead. It will kill some other monster, when the others became the source. And the others.