|Hit Points||Base 250 ; average ~850|
|First Discovered||Moon 20|
|Special Traits||Armoured, boss.|
|Similar Species||Gidrus Saturnus|
The Leviathan is the Moon boss titan and you need to take care of it before flying to Mars.
See here for information on boss titans ; this one is very similar to Megatitan apart from being lightly armored . It should not cause problem by itself, but you will have to deal with all his friends, too.