Hunter's Essence is GLENMORIL add-ons.
These Add-ons introduce bloodborn-esque element into skyrim.

Special Edition Version

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Language
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Japanese
English

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Requirement
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Skyrim
Dragonborn

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Installation
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Install esp and bsa into Skyrim\data.

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Uninstallation
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Enhanced Blood Spalsh
Remove files from data folder simply.

Hunter's Essence
1.Unequip all runes/covenants.
2.Clear leveled list. Read Unistall Book or "Setstage zzzHERuneQuest 999"

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Add-Ons
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Enhanced Blood Splash
Simple Model Replacer. Non-script/esp. Compatible with blood mods.
This add-on increased the scale of blood and add BloodSplash effect. 

Hunter's Essence
Add Sweep and regain, rune/covenant crafting.

Sweep
All attacks with melee weapons hit all targets front of player. Snaek attack is not sweep.
You can learn this skill by Spell Tome "Hunter's Essence : Sweep".

Regain
After being hit by an enemy, you may attack your opponent to quickly refill any lost health.
You can learn this skill by Spell Tome "Hunter's Essence : Regain".

Rune/Covenant
Rune has 3 types and 3 colors.

Rune type 
() is Slot number.
1st Rune (52): offensive runes, increase attack, magic powers etc.
2nd Rune (53): defensive runes, Increase resistance, regeneration. Reduce Spell cost etc.
3rd Rune (54): Support runes, miscellaneous.

Rune Colors
Blue: Aedric
Red: Daedric
Yellow: Aedric and Daedric

Covenant
8 Aedric and 17 daedric covenants. slot number is 55.
Aedric Covenant: Equipping 3 aedric runes ehnace covenant effect.
Daedric Covenat: Equipping 3 daedric runes ehnace covenant effect.

How to get Skill/Rune/Covenant
1.Activate [H] Soulgem melting furnace in inventory. (Added automatically. if not, you are missing script files.)
1.Make Arcane Jelly by Soulgem melting furnace.
2.Make Runes by [H] Rune book.