Blood Art Summoner: I Can Summon My Paintings BASICSMP

Blood Art Summoner, "I can summon my paintings."

What to expect other than Blood, Art, and Summoning?

Riyan Rebel, a world-renowned painter, plummeted to his death while trying to paint the view from the highest point on the earth and transmigrated in the body of a high schooler, Ryan Hunt, who died due to a series of misfortunate events. 

The new world is a 'Parallel Earth' with a few minute changes, and one of them is a mysterious tower, which had surfaced in the south pole on the day Riyan Rebel transmigrated there. 

Seven days later, 

An omniscient voice calling itself tower administrator made a worldwide announcement, "Mortal Reigners climb the Tower of Trials to defend your world in Mortal Realm Wars. And do not repeat the same mistake as your predecessors." 

What is this mysterious Tower?
Who are the Mortal Reigners?
What are Mortal Realm Wars?
What mistake did our predecessors make?
How will all of this affect Riyan's life on parallel Earth?  

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[Congratulations! You have successfully painted a chicken using fresh chicken blood. Your chicken painting has successfully captured the chicken's life essence and has met the conditions of the skill 'Blood Artist.'

Summoning Blood Art... 

Blood Art: Chicken(Rare)
Level: 0 (Exp: 0%)
Health: 20/20
Stamina: 20/20
Strength: 1
Agility: 2
Defense: 1
Intelligence: 1 

Skills: Peck, Glide, Blood Feeder

Peck: A quick move by a chicken using its beck to deal one damage to the enemy unit at the expense of one stamina point.

Glide: The chicken can use its wings to get carried by the wind, soften its fall, dodge in the air, and jump higher. 

Blood Feeder: Chicken can feed on fresh blood to restore its health and stamina. ] 

"I am an Artist, not a Necromancer. You walking leather canvas and red paint."
~Blood Art Summoner

"With your blood as paint and your skin as a canvas, I shall pour life into my creation." 
~Blood Art Summoner

"With the blood of my enemies, I shall raise them as my paintings."
~Blood Art Summoner