diff --git a/royalnet/alchemist/__init__.py b/royalnet/alchemist/__init__.py
index 6ec7f7c3..1050b2d3 100644
--- a/royalnet/alchemist/__init__.py
+++ b/royalnet/alchemist/__init__.py
@@ -1,5 +1,6 @@
 from royalnet.typing import *
 import sqlalchemy as sa
+import sqlalchemy.orm as saorm
 
 
 __all__ = (
@@ -14,6 +15,7 @@ class Alchemist:
                  engine_args: Iterable[Any],
                  engine_kwargs: Mapping[str, Any]):
         self.engine: sa.engine.Engine = sa.create_engine(*engine_args, **engine_kwargs)
+        self.Session: Union[saorm.sessionmaker, Type[saorm.Session]] = saorm.sessionmaker(bind=self.engine)
 
     def add_metadata(self, metadata: sa.MetaData):
         """Bind a MetaData object to the engine, and create all tables linked with it."""