blood arts

-Bugs fixed:

 1: Dummy no longer disappears on Peaceful difficulty.

2: Tooltip fixed for itens use by mundane (no longer says it can't equip items in Curios slots, for items that don't fit in the Curios).

3: fixed missing recipes for the Book of Oblivion and the spellcasting table.

-Rebalancing: Blood Run customization considerably reduced.

-Changes:

1: Natural regeneration can now be negative, reducing blood instead of increasing it.

 2: Now, instead of the experience book, the rival mage drops a book to increase the player's mage level.
3: There is now a recipe for the experience book.
4: To reduce custom emeralds, they can now be used in the recipe for the weak blood gem.

-Additions:

1: Effect and potion that regenerates blood at levels 1 and 2.
2: Effect and potion that drains blood at levels 1 and 2.
3: Liquid blood and bucket of blood.
4: New skill to increase the player's HP.
5: Now the player can level up to level 2 (using a leveling book).