Character stats
Note that the details of foes is incomplete. I'll try to update it as we find out more about them

Friendlies
Shruiken
Attack 5
Movement 4
HP 16
Haste: +1 movement to Shruiken from next turn
Ninja speed: +2 movement to Shruiken until end of turn. If used at end of turn, allows a second attack

L33tz4n
Attack 3
Movement 3
HP 9
Hypnotise: control target enemy for one turn. Enemy can't act next turn
Summon mythslayer: summons Mythslayer to target location
Summon water elemental: summons water elemental to target location
Summon Enchantresphere: summons enchantresphere to target location

Fooruman
In first battle, megawarps in on 8th turn to 1st row 4th column, cannot act until end of turn
Attack 6
Movement 2
HP 19
2xDispell: Negate spell effects on target character
Heal: target character restores 15 HP
Raise: Revive target dead character, and character restores 1/2 of total HP
Foshzzle: Attack based on damge Fooruman has taken
Ramming speed: +8 attack, +2 movement until end of turn for Fooruman. Must be used before moving

Friendly summons
Mythslayer
Attack 4
Movement 3
HP 11
Slay: target character loses 1/3 of current HP. Must wait one turn before casting

Water Elemental
Attack 5
Movement 2
HP 8

Enchantresphere
Attack 4
Movement 2
HP 9
Is immune to magic

Foes
Spotty
Attack 4
Movement 2
HP 22
2xPower gun: charms target character with "restore 12 HP per turn"
(infinite)xHealing gun: target character restores 15 HP
Popcorn gun: generates popcorn

Unfooruman
Attack 6
Movement 3
HP 38
Unsummon: unsummon target summon
2xSlay: target character loses 1/3 of current HP
Toxic blood: does 2 damage to target character, and curses character with "lose 2 HP per turn"
Raise: revive target dead character, and character restores 1/2 of total HP
2xHeal: target character restores ? HP
Slow: curses target character with "-1 movement"
Poison: does 1 damage to target character, and curses character with "lose 1 HP per turn"


Important battle notes
Again, subject to change as more information is known

• Characters take Double damage if they cast a spell that turn.
• Characters take Half damage if they are defending that turn.
• Characters take Normal damage if they both cast a spell and defend in the same turn.
• You can move diagonally. Diagonal moves do not cost extra.
• Only one spell per character may be cast per turn. Summons can be targeted anywhere on the battlefield.

8:00p 21/6/5: updated based on Strato's post
9:00p 22/6/5: added Unfoo's 'slow' spell.
7:00p 23/6/5: added Unfoo's "poison" and Spotty's "popcorn" spells.