Reworked green common creatures... again.
Change log: * Added Degradation. * Added Eggbrood Spider. * Removed Degredation. * Removed Giant Spider. * Changed Burrowing Rockworm. * Changed Egglined Walls. * Changed Fang Boar. * Changed Guardian of Oolacile. * Changed New Horizons. * Changed Parasitic Wallhugger. * Changed The Road Ahead. * Changed Seeker Sage.