Managed to play it for about half hour today, busy man atm

But anyway managed to kill first monster after i died about 10 times. Realised i got free weapons in that sanctuary place and then i killed all the monsters till i got to the second lamp up the stairs in central yah something.
My questions are:
1. When you access a lamp does it automatically save or have you got to use it to go to the sactuary place. Not quite understanding it, as theres no little save icon poppping up like you get in other games.
The game constantly saves every few seconds, so it'll save after hitting a lamp yes
2. How do you level your character up i got 2000 odd blood things from killing enemies but i can only seem to spend them in the sancturay place on health vials and pebbles?
You have to encounter the first boss if I remember rightly, then you can level up with the doll at the sanctuary
3. L1 transformed my cleaver into a longer one, surely thats better? -
Alternate weapons can indeed be better, such as Ludwigs blade, but they're also much slower and take more stamina to swing