Viscus is a difficult dragon to handle well. Cloak gives him the defensive ability to run through islands without a blue mage tower. Self Destruct is very powerful, and around this time it generally starts to wipe out most of an island too.
Our gut feeling on this dragon is that it can be great in certain situations, but Bolt is our much preferred hunter at this stage.
Grypp and Kromon will breed Viscus for you while you try to obtain the much more powerful (and useful) Drude.
Maximum Attack: 15,198
Maximum Health: 100,038
A guide to using Viscus