Londinus plains consists of Four areas:
The Wilds, which has a blocked of road to Yokohoma, and open routes to London city and North Forest
North Forest, links to Wilds, Military Path and "Fire shrine Fire temple". Your first time through here you will meet Yuki, who is failing to catch a Devilin with her bare hands.
Military Path, leads to North Forest and South forest. Boss Battle against Amazonia.
South Forest leads to Ragau Coast fork and Military Path
There is no heal point ANYWHERE in this region.
All the Golems in this area are either dark or earth elementals.
Amazonia Earth Element BOSS Drops: Amazonia Core