HP Supplement

HP Supplement is a special item in Counter-Strike Online.

Overview

This item is only available after Zombie Scenario Re:boot.

A combat assistance product developed by Dr.A. This will help your HP to take attack from zombies in the battle. By possessing this item in your inventory, your health will upgrade to a certain level varying on the grade of the item.

Acquisition

HP Supplements can be obtained randomly by opening Dr. A's Trunk after Zombie Scenario Re:boot. The grades of HP Supplements acquired vary on the grade of Dr. A's Trunk. For instance, opening Low Grade Dr. A's Trunk will give you a Low Grade HP Supplement.

Grades

Item	Grade	Effect
	Inferior	Health will upgrade to stage 3 in zombie scenario mode
	Intermediate	Health will upgrade to stage 5 in zombie scenario mode
	Superior	Health will upgrade to stage 7 in zombie scenario mode

Trivia

This item replaces the Stamina Drug which was removed after Zombie Scenario Re:boot.

Items

Normal

C4 Countdown • Reward Preview • Special Mission Reset • Votekick • Promotion reward ( KR • TW/HK • CHN • IDN • CSN:Z • VN ) • Damage Display • Channel Chat • Experience Coupon • Game Points Coupon • Short Respawn Time • HitPoint Increase • Battlefield Supply • Display Killer • Ignore Defeat • Ignore Penalty • Ignore Defeat + Penalty • Joker Character • Craft Item Duffel Bag • Duration Extender • Experience Up • Point Up • Double Up • Mileage Duffel Bag • Mileage Lottery Ticket • VVIP Pass • Weapon Lottery Ticket • Bingo Ticket • VIP Pass

Boxes

C-Box ( KR • TW/HK • CHN • JPN • SG/MY • IDN • TL • TR • CSN:Z • VN ) • Z-Box • Military • Treasure • Darkness • Xmas • Jackpot • S-Box • B-Box • J-Box • M-Box • Random • Life Weapon ( Transcendent ) • Mileage • Rare ( Halloween ) • Buff ( Class ) • Summer • Part Weapon Special • Part Item • Chest • 10th Anniversary • CSOGS • Epic • Siege • Mileage • Challenge • Settlement Support • Part Weapon Selection • FLEX • ENH • Memories

Decoder

Classic • Advanced (A • B) Mileage (Crate) • Premium • Buff (A • B• C) • Package • Brand • Top 50 • Epic • Class • Rare Decoder • Unique Decoder • Class Decoder

Event

Advance Unit's Supply Box • Reversed Map • Soccer Ball • Heart Bomb • Pumpkin Grenade • New Year Box • Silver Bell • Golden Bell • Mystery Gift • Seed • Sprout • Fruit (Harvested) • Fortune bag • Timed Bomb • Fortune Cookie • Lucky Coin • Ice Breaking • Soy's SD Zombie Maker • Baseball • Reservation Ticket • Discount Coupon • Level Up Coupon • Transcendence Piece • Gold Moon Cake • Epic Fragment • Gunsmith Toolbox

Supply Box • Zombie Point Up • Zombie Double Up • Zombie Experience Up • All Zombie Set

In-game

Battle Revival • Emergency Medicine • Round Retry

Clues

Set 1	Operational Map • Damaged Equipment • Andrey's Diary • Phobos' DNA

Set 2	Siege Type's Blood • Siege Type's Frame • Siege Type's DNA

Set 3	Dione Pursuit Diary ( No.1 • No.2 • No.3 • No.4 )

Set 4	Confidential Weapons Document ( No.1 • No.2 • No.3 • No.4 )

Set 5	Frozen Terror's Mane • Gluttony's Tongue

Reboot	Confidential Documents • Secret Map • Research Tools • Zombie Sample • HP Supplement • Attack Amplifier • Bulletproof Armor • Combat Boots • Spare Magazine • Weakness Analysis Device • Level Up Amplifier