Items in Skannerz TV
There are 20 items in Skannerz TV, used during Battles and Duels. They are grouped below by what they actually do: some are used on your own monster, some are used against an opponent's, some change the battlefield itself, and one is a one-of-a-kind special. Items marked "Battle only" can't be used during a Duel.
Restoration & Buffs
Items a player uses on their own monster (or army) to heal it or boost its stats, usually for a single turn.
Health Potions (Defensive)
When the player uses this item on a monster, the monster's health is restored to full.
Horn Of Plenty (Defensive)
Raises the health of every monster in the player's army by 50%.
Titan Armour (Defensive)
Boosts the selected monster's stats to their max value for a single turn or the rest of a Duel (Health remains boosted afterward).
Ring Of Strength (Defensive)
When the player uses this item on a monster, the monster's Force doubles. The effect lasts for a single turn.
Gauntlets of Dexterity (Defensive)
Doubles the monster's Reload Rate for a single turn or the rest of a Duel.
Boots Of Speed (Defensive)
When the player uses this item, the monster can move up to 5 spaces on the Battle map. If the monster engages in a Duel, its arena speed is also increased. The effect lasts for a single turn.
Dwarven Ale (Offensive)
Gives a monster High Inertia for a single turn or the rest of a Duel.
Debuffs & Control
Items used against an opponent's monster to damage it or take away its control on the Battle map or in a Duel.
Lightning Bolt (Offensive)
When the player uses this item on an opponent's monster, its health is reduced by 50%.
Spider's Web (Offensive)
When the player uses this item on an opponent's monster, the monster is unable to move on the Battle map (this effect does not carry over into Duels). The effect lasts for three turns.
Aura Of Confusion (Offensive)
When the player uses this item on an opponent's monster, the monster's controls are reversed during Duels (pressing Up makes it go down, Down makes it go up, Left makes it go right, and Right makes it go left). The effect lasts for a single turn.
Protection
An item that shields a monster from harm instead of boosting or damaging anything.
Glyph Of Warding (Defensive)
Protects a monster from harm for a turn (it can't be attacked on the Battle board) or for a limited time during a Duel. Can't be used on a monster carrying a flag or a skull.
Battlefield & Movement
Items that reposition monsters or reshape the Battle map itself, affecting both armies at once.
Vortex (Offensive & Defensive)
When the player uses this item they can teleport any monster to any space on the Battle map. Monsters currently holding a flag (in Capture The Flag) or a skull (in Advance) cannot be teleported.
Gravity Hex (Environmental)
When this item is used, all flying monsters are immobilized on the Battle map, on both armies. If a flying monster engages in a Duel while the effect is active, its speed is reduced and it becomes ground-moving, so it now takes damage from things like lava pools. The effect lasts for three turns.
Stones of Henge (Environmental; Battle only)
Causes a random number of pillars to erupt on the Battle board for three turns. Monsters standing on a pillared square cannot move or attack, and monsters cannot move into squares with pillars.
Meteor Shower (Environmental; Battle only)
When this item is used, a meteor shower occurs, causing damage to a random number of monsters from either team. Once selected, the meteor shower is instant.
Class Advantage
A matched set of environmental items that temporarily change how the Magic, Power, and Tech class triangle works. Each lasts three turns and can only be played on the Battle board.
Magic Rune (Environmental; Battle only) 
Gives Magic monsters a combat boost against Tech monsters and doubles their usual boost against Power monsters. Lasts for three turns; can only be played on the Battle board.
Tech Upgrade (Environmental; Battle only) 
Gives Tech monsters a combat boost against Power monsters and doubles their usual boost against Magic monsters. Lasts for three turns; can only be played on the Battle board.
Power Surge (Environmental; Battle only) 
Gives Power monsters a combat boost against Magic monsters and doubles their usual boost against Tech monsters. Lasts for three turns; can only be played on the Battle board.
Chaos Storm (Environmental; Battle only)
Reverses the Magic → Power → Technology combat advantage triangle for three turns.
Special
A unique item that doesn't fit any of the other groups.
Book Of The Dead (Offensive & Defensive; Battle only)
When this item is used, a defeated monster from each team is resurrected. The player who used the Book chooses the monsters, both from their own team and the opponent's.