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Etheremon Castle — The first battle game in a decentralized world

Updated: Apr 30, 2018

Etheremon is a decentralized application built on the Ethereum network. It simulates a world of ether monsters (Etheremon) where you can capture, trade and transform Etheremons to defeat others.

Battle is one of the most important and exciting aspects of the EtheremonWorld. There are a few battle modes under development. In this blog, they will introduce you to the castle battle mode.

1. Etheremon attributes

Before describing the castle battle mode, let’s talk about Etheremon attributes.

1.1 Battle Power (BP)

Each Etheremon you capture has a battle power (Follow this guide to capture a new Etheremon). Battle Power is a single, simplified value that encapsulates all six of an Etheremon’s battle stats: Health Point (HP), Primary Attack (PA), Secondary Attack (SA), Primary Defense (PD), Secondary Defense (SD), and Speed (SP).

Experience (EXP) can only be gained through battle; the higher EXP the higher level the Etheremon is. Etheremon at higher level have higher stats and are basically stronger. Also, after reaching a certain level, some Etheremons will gain the ability to Transform.

1.2. Types

Each Etheremon has 1 to 3 types. There are 17 types: insect, dragon, mystic, fire, phantom, earth, neutral, telepath, iron, lightning, combat, flyer, leaf, toxin, rock, water, ice. Each type has an advantage over another type. The diagram below reflects the relationships between types:

1.3. Ancestors

Each Etheremon has 1 to 3 ancestors (except 23 “legendary” Etheremons). An ancestor increases their descendant’s offensive stats in the battle. For example, Cobrus has Mizumi, Chulember and Vivorin as its ancestors, so if Cobrus joins the battle with those Etheremons, its attack power is increased

1.4. Gason

There is a special class called Gason. When a Gason is in your party, it increases defensive stats for all Ethremons of the same type.

2. Castle Mode

2.1. Castles

In the Etheremon World, there are special locations called “hills” where you can build and defend your own castle. A total of 30 “hills” have been discovered in the World. Ever since their discovery, MonSeekers have been battling non-stop to claim the hills and train their Etheremons.

Building and defending a castle

  • On an empty hill, you can build a castle by hiring a Blockid builder squad at the cost of at least 0.04 ether or 15 EMON for 5 bricks.

  • For each battle lost, the castle is damaged and loses 1 brick. For each battle win, the castle owner is rewarded 1 EMON. However, the number of rewarded token can not be higher than the number of bricks.

  • For every 8 battles won, the castle receives an extra honor brick from the squad of Blockid. However, the total of honor bricks can not be higher than the number of bricks.

  • Once the number of bricks drops to 0, the castle falls.

  • You can strengthen your castle at the beginning by building it with more bricks (1 extra brick = 0.008 eth or 3 EMON).

To defend your castle, you form a team of 3 Etheremons called battlers with up to 3 other Etheremons called supporters. Supporters should be gasons or ancestors of battlers used to increase battlers’ offensive stats and defensive stats.

Attacking a castle

You can attempt to take down a castle by launching attacks to reduce its strength. Your attacking team will also consist of 3 battlers and up to 3 supporters. Each time you attack a castle, if successful, will be rewarded 1 EMON.

2.2. Battle mechanism

The main game

In an Etheremon battle, each team will consist of 3 battlers and up to 3 supporters. Battlers will fight each other respectively depending on their positions, meaning first vs first, second vs second, and third vs third. In each matchup, a series of one-on-one fights between members of the opposing teams are automatically simulated in their smart contract according to the following rules:

  • The Etheremons take turns attacking. The one with higher speed attacks first.

  • Primary Defense reduces the damage of incoming Primary Attack, Secondary Defense reduces the damage of incoming Secondary Attack.

  • During a turn, whichever attack (either Primary or Secondary Attack) that results in most total damage to the defender will be performed by the attacker, damaging the defenders’ HP.

  • In each turn, the attacker might be able to land a “critical attack”, which means its Primary Attack/ Secondary Attack will be much higher than normal. This totally depends on random chance.

  • The first Etheremon to lose all of its HP loses the fight.

  • The winning Etheremon is rewarded with a large amount of experience and the losing Etheremon also gains experience but of a lesser amount.

  • The remaining battlers will continue the matchups.

  • There are a total of 3 matchups, and the team which triumph in 2 or more matchups wins the overall battle.

Supporters

Each team consists of up to 3 supporters. They can be battlers’ ancestors or gasons.

  • A supporting ancestor increases all of its descendant’s offensive stats by 10% (e.g: Primary Attack & Secondary Attack increased 10%). This effect repeats if there are multiple ancestors e.g. if there are 2 ancestors of the battling Etheremons present, Primary Attack & Secondary Attack increased by 20%

  • A supporting gason supports all battlers of its types. These battlers will receive 10% increase in defensive stats (e.g: Primary Defense & Secondary Defense increased by 10%).

For example: Pudde is in the battle team and supporters are Mushmite, Vermillios, Mirrie. Pudde’s offensive stats are increased by 20% and defensive stats are increased by 10%.

Notes: multiple ancestors of the same kind or multiple gason of the same types are counted as one. For example, if you put three Polynimos as supporters, any battlers with the fire type receive a 10% increase in defensive stats (instead of 30%).

Types

When an Etheremon is battling another Etheremon that it has type advantage over, its offensive stats are increased by 20%.

Exp Gain Experience gain is calculated in each matchup, depending mostly on the level of the opposing Etheremon. The higher the level of the opponent, the more experience your Mon can gain. For example, a level-1 Mon needs around 3.22 wins against other level-1s to level up. A level-10 Mon needs 5.8 wins against other level-10s, but 15.6 wins against level-5s or 42.4 wins against level-1s.

A loss also gives exp equal to 1/3 the amount of experience from a win.

For more information, you can read their smart contract here

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