Vase Demon

The Vase Demon is a winged demon creature. It is much more aware of the player's location and never be a long ways away. Whenever anything takes damage, be it the player or their foes, the blood shed will be collected in special puddles, which despawn after 10 seconds. The Vase Demon will seek out these puddles and collect them. It behaves differently depending on the amount of blood it carries; gaining new attacks and the like.

Gimmick
It will act differently when holding different amounts of blood.

Blood 0
Holding no blood. Will cower when confronted by the player and cannot do any harm.
 * Deals no Damage

Blood 1
Will now fling blood from a distance, but will flee when attacked. Will not try to get too close to the player.
 * DMG Variant 1: Low
 * DMG Variant 2: Average
 * DMG Variant 3: High

Blood 2
Will chase down the player, firing arcing blasts of blood. It will flee when if it is damaged a lot.
 * DMG Variant 1: Average
 * DMG Variant 2: High
 * DMG Variant 3: Very High

Blood 3
Will pursue the player under any circumstances. Leaves a damaging trail of corrosive blood wherever it goes, and will dump buckets of blood on the player.
 * DMG Variant 1: High
 * DMG Variant 2: Very High
 * DMG Variant 3: Incredible

Variants
There are several different types of Vase Demons.

Vase Demon
Requires 8 puddles to improve a level.
 * HP: Average
 * Speed: Quick

Amphora Demon
Can use up the blood it collects to heal itself. It can drop a blood level to heal half of its health.
 * HP: High
 * Speed: Fast

Urn Satan
Upon reaching level 3 and then passing it, it can split into two level 1 Urn Satans, with each having 2/3 of its current health.
 * HP: Very High
 * Speed: Very Fast