D.E.L.A.B.

Added:
-now the dagger in the second hand can carry out an attack if the main one also has a dagger
-3 new enchantments for the dagger:
1) Deadly Strike:
-you have a small chance to deal x3 damage.
-incompatible with other damage spells.
-has 3 levels
-chance is 15% for each level
2)Double Strike:
-the dagger deals more damage if you have 2 daggers in your hands
-incompatible with other damage spells.
-has 5 levels
-+1 damage per level
3)Head Hunter:
-10% chance to get an enemy's head upon death
-not compatible with prey
-you can get the heads of all vanilla mobs
-you can get the player's head
Changed:
-daggers now have -2 attack range
-Earth Strike ability is now available for hammers without enchantment
-Earth Strike damage now depends on the hammer material
-now the enchantment simply increases damage
-changed the mechanics of damage by essences for the Crushing and Cavalry Strike enchantments
-additional damage for the Crushing enchantment has been changed:
-+0.5 damage for each piece of armor on the target
-for each level, damage per armor element increases by 0.5;
-changed the damage of the Cavalry Strike enchantment: now +1 damage for each level
Corrected:
-spears broke when attacking in close combat in creative mode