Altar of Shock

> A shrine with the ability to discharge electricity, hidden in the ground, will pop up and attack when the enemy approaches.
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The Altar of Shock is a Epic card. It is a single-target, medium-ranged defensive building with both moderate hitpoints and damage. Altar of Shock retracts when no targets are within range and gains immunity to all negative effects except for the Tremor and the Frigid Fever. An Altar of Shock card costs 4 Oom to deploy.

## Strategy

* The Altar of Shock can zap away some health from moderate hitpoint troops at a decent rate. It also deals moderate damage to higher hitpoint troop.
* The Altar of Shock can defeat any unit with the same or less health than Hastee in one shot if they are of the same level, thus making it very effective against small hordes of troops.
* When it retreats underground, the Altar of Shock is invulnerable to any damage-dealing spell except for Tremor, and cannot be targeted by any troops. However, the retreat is not instant, enabling quick troops like Tuboc to get a hit off before it goes underground. The retreat can also be stopped with a Frigid Fever spell, enabling the player to attack the Altar of Shock at leisure. The Altar of Shock can also be frozen by a Frigid Fever spell while underground, so it won't pop up when enemies are in range while the Frigid Fever is active on it.
* Although the Altar of Shock has the same range as a Altar of Stone, it can still target troops that would normally outrange it due to its ability to become invulnerable when not attacking, forcing them to come into its targeting range before they can target it. Thus, when using long-range units, the player should provoke the Altar of Shock with another troop such as Alck first to prevent the long-range troop(s) from wandering into its range and being destroyed.
* The Altar of Shock is very effective at distracting enemy building-targeting troops, such as the Formidator . By placing it in the middle of the player's part of the Arena (3 tiles from the bridge), the troops will target it instead of the Towers if it is not frozen. This placement will also pull regular troops to it.
	+ If the player only wants the Altar of Shock to pull building-targeting troops, they should place it 1 more tile away from the river. The Altar of Shock will still attack any troops that come close enough to the Sub Towers, but it will not tank any hits for them.
	+ Against building-targeting troops which are placed in such a way that they are staggered towards the center of the arena, an Altar of Shock reactively placed 4 tiles from the defending Sub Tower and 4 tiles away from the river can distract them. This is because the unit will walk closer to the inner side of the bridge (i.e. closer to the center of the arena), rather than the center or the outside. Although this is somewhat situational, it is more effective at separating a tank from its support units than the above middle placement, as the tank will have to walk slightly farther, and the Altar of Shock will not draw the attention of other grounded troops.
* An Altar of Shock can be interchanged with an Altar of Stone or an Altar of Fury, depending on what the player is prioritizing in their deck. The Altar of Stone costs 1 less Oom, but doesn't target air troops, so it may be more efficient to have the Altar of Stone if the player already has many air counters. The Altar of Fury costs 1 more Oom and is extremely effective against high hitpoint units, but it is very volatile, being vulnerable to swarms and cards with a stun effect. If the player is not able to consistently eliminate these cards in a large push, the Altar of Shock will allow the player to have more Oom for other cards to damage down the support troops while also dealing more damage over its lifetime. The Altar of Fury is also a Epic card, so it will be harder to level up for use on the ladder.
* Unlike most other buildings, the Altar of Shock takes up a 2x2 space as opposed to a 3×3 space. This means that it can fit in the gap between a Sub Tower and the edge of the Arena.
* Its versatility against most types of troops makes it a good card for supporting siege buildings like Altar of Mortal from the player's side of the Arena. Generally, the Altar of Shock should be placed beside and slightly behind the siege card so that it is protected by them while it damages down enemy units.
* The Altar of Shock, despite having an electric theme and attack, does not stun, and so can't reset the Altar of Fury attack.