ARENA

- Based on its RARITY, ELEMENTS, + JACKTYPE

- In a Battle Ponyjacks take turns attacking and defending by rolling dice based on their stats until one or one team is KO'd.

LIFE - how much damage a PJ can take before KO
AQUA/SPEED - who goes first and how many times
FIRE/ATTACK - how much damage a PJ can deal
EARTH/DEFENSE - how much damage a PJ blocks

SKY/INTELLIGENCE - ability to reroll any fails
DARK/DODGE - ability to avoid attacks on rolling doubles
CLASSIC - boost to sum on rolling doubles
MYTHIC/SPECIAL - boost to sum on rolling 6s

 These are the base stats for a Gen 0 PonyJack before any of their special rarity, elemental, or breed stat boosts are applied in a 1 v 1 Duel.
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LIFE - 5 (later Gens and breeds would/could have less life)
AQUA/SPEED - 0
FIRE/ATTACK - 0
EARTH/DEFENSE - 0
SKY/INTELLIGENCE - 0, no rerolls
DARK/DODGE - 0, most have no ability, very rare
CLASSIC - 0, most get no bonus
MYTHIC/SPECIAL - 0, most get no bonus, very rare

First, you roll an 8 sided die to determine where the battle will take place. Each location will give a + 1 buff to all dice rolls to all PonyJacks of that Element.
1 - Mountain (Earth)

2 - Jungle (Life)

3 - Waterfall (Aqua)

4 - Volcano (Fire)

5 - Cloud Arena (Sky)

6 - Cursed Forest (Dark)

7 - Olympus - (Mythic)

8 - Colosseum - (Classic)

 
The match begins with each side rolling 3 dice for speed and adding any buffs from their stats, like Aqua/Speed, Mythic/Special (if you get any 6s), and Classic (if u roll any doubles) - you add + X to your total dice roll.
Whichever Ponyjack rolls highest will attack first. Plus, high speed can pay early dividends. If one side manages to get double their opponent's total, they attack twice before them. If they get triple their opponents score, they attack three times before them.

The Sky/Intelligence stat gives horses the ability to reroll a failed roll up to the # of trait points they have on Speed, ATK, DEF, or Dodge. It's not a choice, it occurs on the first eligible failed roll.

Next, the attacking horse rolls 3 dice for ATK, adding any buffs from stats like Fire, Mythic, Classic. The Defending horse normally will defend with 2 dice, adding any buffs from stats like Earth, Mythic, Classic. If the Horse is a Dark breed type or has the Dodge ability, first it attempts to evade the attack by rolling the # of dice equal to its dodge stat. If the Ponyjack gets a double it succesfully dodges and takes only the minimum damage (-1). If the dodge fails, the horse still attempts to DEF with the typical 3 DEF dice.
To determmine the result of the clash, subtract the ATK damage from the DEF resistence. If the ATK is greater than the DEF, the defending horse loses LIFE (hit points) equal to the overflow. When a horse loses all its life, it is KO'd, and the attacker is the winner of the battle. Repeat Rounds until a horse is KO'd, with Ponyjacks retaining any speed advantages they gained in round 1.

Battle types with multiple Ponyjacks work mostly the same as a Duel, except for speed, attack, and defense, each living (non KO'd) pony rolls 1 dice. The team combines all their pony's dice into one roll and stacks all stat buffs on top of the roll.
PONY ORDER: Ponies are ordered in a line from most common to rarest, and from lowest health to highest health. Damage taken is inflicted ona random opponent each round. In Team Battle excess damage does not overflow into the next Ponyjack. In PonyWar it can. When a Ponyjack is KO'd it's stat bonuses stop being applied to the team's total.
Dark/Dodge ability only comes into play when that type of Ponyjack is the target of damage and is rolled individually and not as a team. The first team to KO all of the other team's Ponyjacks claims victory.