-Sphere base is the name of under water city that mammal evacuate from the land after event [the rising]
in the sphere base we have
1: food
2: medical treatment
3: security
4:nature power source from elecmit [ hermit that can produce electric from it shell and it really like energy so we can find it stay around the water barrier ]

-first Sphere base build in 2250 by Tech no CO. while world ocean water level is rising and endless storm
Sphere base has 3 level of protection from any harm
level 1 droid deploy [release security droid]
level 2 tesla shock [ shock the leviathan creature that too close to Sphere base : warning the tesla shock has to rest 1 minute per day at 01:00 am ]
level 3 water barrier [ water proof barrier that hard as diamond it can protect city from harm but if the power run out the barrier will not disappear immediately, but it will disappear within 3 hr ]

not good at eng sry - -' story by myself KASAMIRU !!