Magic or mana is an attribute assigned to characters within a role-playing or video game that indicates their power to use special abilities or "spells".
 Magic is usually measured in magic points or mana points, shortened as MP.
 Different abilities will use up different amounts of MP.
 When the MP of a character reaches zero, the character won't be able to use special abilities until some of their MP is recovered.
Health or vitality is an attribute assigned to entities within a role-playing or video game that indicates its state in combat.
 Health is usually measured in hit points or health points, shortened to HP.
 When the HP of a player character reaches zero, the player may lose a life or their character might become incapacitated or die.
 When the HP of an enemy reaches zero, the player might be rewarded in some way.
The World of Warcraft Trading Card Game (WoW TCG) was a collectible card game based on Blizzard Entertainment's MMORPG, "World of Warcraft".
 The game was announced by Upper Deck Entertainment on August 18, 2005 and released on October 25, 2006.
 Players can fight against each other one-on-one, or can join others in order to defeat dungeon/raid bosses based on those in the MMORPG.
 In March 2010, Upper Deck Entertainment lost the license from Blizzard Entertainment.
 On March 24, 2010 Cryptozoic Entertainment announced the acquisition of the game's license and that planned card sets would be released.
In the My Little Pony franchise, the Earth ponies are ponies without a horn or wings, who usually have a special connection to nature and animals.
 They lack the ability to cast magic spells like the unicorn ponies, or the ability to stand on clouds like the pegasus ponies.
 Usually, they are the basic form of the My Little Pony toys.
EverQuest Role-Playing Game is a role-playing game based on the "EverQuest" fantasy massively multiplayer online role-playing game (MMORPG).
 The game was published by White Wolf under its Sword and Sorcery Studios imprint.
 "EverQuest Role-Playing Game" shares many things with the MMORPG, such as setting, available races and classes, monsters, spells, and items.
The Corrupted Blood incident was a virtual plague in the MMORPG "World of Warcraft", which began on September 13, 2005, and lasted for one week.
 The epidemic began with the introduction of the new raid Zul'Gurub and its end boss Hakkar the Soulflayer.
 When confronted and attacked, Hakkar would cast a hit point-draining and highly contagious debuff spell called Corrupted Blood on players.
World of Warcraft (WoW) is a massively multiplayer online role-playing game (MMORPG) released in 2004 by Blizzard Entertainment.
 It is the fourth released game set in the fantasy "Warcraft" universe, which was first introduced by "" in 1994.
 "World of Warcraft" takes place within the "Warcraft" world of Azeroth, approximately four years after the events at the conclusion of Blizzard's previous "Warcraft" release, "."
 Blizzard Entertainment announced "World of Warcraft" on September 2, 2001.
 The game was released on November 23, 2004, on the 10th anniversary of the "Warcraft" franchise.
World of Warcraft: Wrath of the Lich King is the second expansion set for the massively multiplayer online role-playing game (MMORPG) "World of Warcraft", following "".
 It was released on November 13, 2008 and sold 2.8 million copies within the first day, which at that time was fastest selling computer game of all time.
 The game added a substantial amount of new content into the game world, including the new continent of Northrend, home of the eponymous Lich King and his undead minions.
 In order to advance through Northrend, players are required to reach at least level 68 and the level cap for the expansion is 80.
 The first hero class was introduced, the Death Knight, that starts at level 55.
GripShift is a hybrid title video game that was developed by Sidhe and co-published by Red Mile Entertainment, Sony Online Entertainment and Ubisoft Entertainment for the PlayStation Portable handheld in 2005.
 The game was later released for download on PlayStation 3 via the PlayStation Store (it is no longer available for purchase since 2014), and for the Xbox 360 via Xbox Live Arcade.
 "GripShift" is a cross between a platform/puzzle game like "Super Monkey Ball" and a driving game like "Stunt Car Racer".
The expansion to the computer game "", known as "", had an active professional competition scene, particularly in China, Germany, and South Korea.
 The game was featured at eSports festivals including the World Cyber Games, the Electronic Sports World Cup, the World e-Sports Games, the World Series of Video Games and the International E-Sports Festival.
 Outside of the professional circuit, the game had many active competitive circuits, with users at Battle.net ranging between the 70,000 and 100,000 at any given moment.
 In China, in which "Warcraft III" was extremely popular due to it being easily available through piracy, fans and users often used an alternative client due to the country's poor internet connections to the outside world.
 Around 3,000,000 copies of the game were sold in the country.
 500,000 Chinese competed in the Chinese qualifiers for the 2006 World Cyber Games.
 The amount of prize money through the years has been significant with top players winning hundreds of thousands of dollars.
 As usual in competitive gaming, income for "Warcraft 3" professional players flowed from various sources like team salaries from pro-gaming teams and sponsorships usually computer technology related.
 A famous example was Danish gaming organization known as Meet Your Makers which boasted of paying their players 300,000 on an annual basis.
 Similar to older games with huge competitive scenes like Starcraft:Brood War and "Counter-Strike 1.6", the popularity of "Warcraft 3" steadily declined and towards the end of the previous decade almost all tournaments and players were Chinese.
 After 2010, with "Starcraft 2", "League of Legends", and "Dota 2" being released and becoming popular, "Warcraft 3" gave up its position as one of the prime eSports titles.

Question: What is the shortened form of this attribute within a role-playing or video game like MMORPG, which is affected by spells like Corrupted Blood from "World of Warcraft?"
Answer: HP