Addon that adds 1 deadly entity that wipes out the player in 1 smash, and it can be summon via summoning altar which can be crafted, you thought this entity have 4th phase only but no, why, find it out by yourself 

Showcase :

Phases :

• Phase 1 :

• Ability : can use shield to block attacks
• Vunerable in entity attacks when: tired
• The holder of untrusted stone

• Phase 2 :

• Ability : charged attack, range attack
• The holder of multiplicant stone

• Phase 3 :

• Ability : charged attack, below attack
• The holder of elemental stone

• Phase 4 :

• Ability : charged attack, blade swarm
• Can fly
• Throws its head on death

Phase 4 Head :

• Ability : none
• has 3 sub-phases
• The holder of light stone

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• ????????????
• ????????????
• ????????????

How to summon it :

You need to craft a summoning altar :

Once you place it, it will show the Note and the Instructions

And just read the instructions

to put the required items you need to click on the altar with it

and not drop it

THE STONES :

• Untrusted

• Multiplicant

• Elemental

• Light

THE STONE TALISMAN :

You have to find out what does this do, good luck lol

YOU ARE NOT ALLOWED TO :

• Claim that you own this addon
• Create a download link for the addon

if you didn't obey it, this is the end of this addon (no more updates) and I will not going forgive you

YOU ARE ALLOWED TO :

• Showcase this addon as long as you credit me by putting the link to this addon

If you have any ideas, feel free to go at my subreddit or discord server

SUBSCRIBE FOR MORE ADDONS OR ADDON UPDATES

MAKE SURE TO TURN ON EXPERIMENTAL FEATURES IN ORDER THE ADDON TO WORK

THE RESOURCE PACK AND BEHAVIOR PACK SHOULD WORK PROPERLY

1. Click [Download] button
2. Once downloaded, open the .mcaddon file
3. Select Open as Minecraft
4. Done