Hey, I just came across this post and I know i'm like a month late but if you still need help I got a list for you from the official heroes page on bukkitdev
Official Skills
Absorb - Converts all damage into mana
Antidote - Cures you of Poisons!
AssassinsBlade - Your blade applies poisons!
Backstab - Extra damage when attacking from behind
Bandage - Bandages the target + Cures Bleeds
Barrage - Fire a Barrage of Arrows around you.
Battery - Gives your target mana
Blackjack - Occasionally stuns your opponent
Bladegrasp - Blocks incoming melee damage
Blaze - Sets everyone around you on fire
Bleed - Causes your target to bleed
Blink - Teleports you 4-5 blocks
Bolt - Calls a bolt of thunder down on the target
Boltstorm - Calls down bolts periodically
Charge - Charges towards your target
Confuse - Confuses your target
Dispel - Removes effects from your target
Drainsoul - Absorb health from target
Firearrow - Shoots a burning arrow
Fireball - Shoots a dangerous ball of fire
Flameshield - Fire can't hurt you!
Forcepush - Forces your target backwards
Gills - Negate drowning damage
GroupHeal - Heals all party members nearby
GroupTeleport - Summons your group to your location
Harmtouch - Deals direct damage to the target
Hellgate - Teleports you and your nearby party to or from the nether
Icebolt - Fires a snowball that hurts the player and if they're on fire puts them out
IcyAura - Periodically damage players around you, and turns the ground they walk on to ice
Invuln - Grants total damage immunity
Jump - Launches you into the air
Layhands - Heals the target to full
LickWounds - Heals your nearby wolves
Manaburn - Burns the targets mana
ManaFreeze - Stops your target regening mana
ManaShield - Uses your mana as a shield
Might - Increases party members damage
Overgrowth - turns a sapling into a tree
Piggify - Forces your target to ride a pig
Poison - Poisons the target
PoisonArrow - Your arrows apply poison!
Port - Teleports you and your nearby party to the set location!
Pray - Heals the target
Pulse - Damages everyone around you
Recall - saves a location and lets you teleport back to it
Replenish - Brings your mana back to full
Reflect - Reflects all the damage done to you back to your target
Rejuvenate - heal the target over time
Revive - Teleports the target to their place of death
Root - Roots your target in place
Safefall - Stops you from taking fall damage for a short amount of time
SafefallOther - Stops your target from taking fall damage for a short amount of time
Shield - Your shield absorbs damage!
Smite - Direct damage on a player
Smoke - You completely disappear from view
Sneak - Hides your nameplate and makes you sneak without holding shift
Superheat - Your pickaxe becomes superheated
Summon - Summons a creature to fight by your side
SummonArrow - Summons you some arrows!
Summonfood - Summons you food!
Syphon - Gives your health to the target
Taunt - Taunts enemies around you
Telekinesis - Activate levers buttons and other interactable objects from afar!
Teleport - Teleports you to (roughly) to your party member!
Track - Locates a player
UnholyRitual - Target Zombie or Skeleton is sacrificed, necromancer receives mana
Web - creates webs around the target
Wolf - Summons and tames a wolf to your side
XMuteOre - Transmutes ores into more valuable ones
