Patch Available - KMST 1.2.452

<Game Related>
1. Dimension Invite (?) was added. Level 140+ 1~4 Party. Sounds like Azwan/kill the pomegranate that spawns.

2. Dual Blade creation enabled.

3. Drop rate for some event item (?) was increased.

<Skill Related>
1. Adventurer Archer, Thief, and Pirate, including Dual Blades have the following passive hyper skills added
blahblahblah

2. Bow Master:
Phoenix - Reinforce: Increase damage
Phoenix - Persist: Increase duration
Phoenix - Bonus Attack: +1 Hit

Ultimate Inferno - Reinforce: Increase damage
Ultimate Inferno - DoT Persist: Increase DoT duration
Ultimate Inferno - DoT Reinforce: Increase DoT damage

Hurricane - Split Damage: Halves damage, increases hits (presumably to two)
Hurricane - Add Range: Adds range (DURRR)
Hurricane - Mobile Shot: Allows movement while hurrdurring

Wind of Prey: Some sort of ultimate
Epic Adventurer
Propulsion: Be really good at bowing at things, the description of this skill is super specific.

3. Marksmen
Frostprey - Reinforce: Increase damage
Frostprey - Persist: Increase duration
Frostprey - Bonus Attack: +1 Hit

Pierce - Reinforce
Pierce - Extra Target
Pierce - Bonus Attack

Snipe - Reinforce
Snipe - Bonus Attack
Snipe - Cooltime Reduce

Long Ranged True Shot: Like snipe but long range
Epic Adventurer
Bullseye: Concentrate and shoot at weak spots (i.e. Concentrate the skill)

4. Night Road
Shade Split - Reinforce
Shade Split - Extra Target
Shade Split - Bonus Attack

Purge Area - Enhanced: Everything is better except cooldown
Purge Area - Slow: SLOWS
Purge Area - Cooltime Reduce

Quadruple Throw - Reinforce
Quadruple Throw - Boss Killer: +Boss damage
Quintuple ThrowQuadruple Throw - Bonus Attack

Four Season: Summon four dudes? to have a good time.
Epic Adventurer.
Bleeding Toxin: Superduperuberenvenom

Someone needs to check if Purge Area works on bosses in KMS.

5. Shadower
Meso Explosion - Reinforce
Meso Explosion - Extra Target
Meso Explosion - Enhanced: Meso Explosion activates Pick Pocket?

Boomerang Step - Reinforce
Boomerang Step - Extra Target
Boomerang Step - Bonus Attack

Assassinate - Reinforce
Assassinate - Bonus Attack
Assassinate - Limit Canceler: pineapple the damage cap

Veil of Shadow: Call a black guy to come beat up stuff around you.
Epic Adventurer
Flip the Coin: Like Lucky Dice except with two options instead of six.

6. Viper
Double Spiral - Reinforce
Double Spiral - Extra Target
Double Spiral - Bonus Attack

Fist Enrage - Reinforce
Fist Enrage - Boss Killer
Fist enrage - Bonus Attack

Energy Blast - Reinforce
Energy Blast - Extra Target
Energy Blast - Bonus Attack

Unity of Power: Full charge with special effects that are probably better than regular charge, but I can't guarantee that
Epic Adventurer
Stimulate: Something that's somehow different than Unity of Power but also involves full charge

7. Captain
Double Barrel Shot - Reinforce
Double Barrel Shot - Extra Target
Double Barrel Shot - Bonus Attack

Fusillade - Reinforce
Fusillade - Extra Target
Fusillade - Bonus Attack

Rapid Fire - Reinforce
Rapid Fire - Add Range
Rapid Fire - Boss Killer

Big Fat Boy: Boy means bomb apparently
Epic Adventurer
Unwilling Rum?: Something about drinking and stronger

9. Dual Blade
Bloody Storm - Reinforce
Bloody Storm - Extra Target
Bloody Storm - Bonus Attack

Phantom Blow - Reinforce
Phantom Blow - Ignore Guard: +defense ignore
Phantom Blow - Bonus Attack

Sudden Raid - Reinforce
Sudden Raid - DoT Reinforce
Sudden Raid - Cooltime Reduce

Asura: A really big Blade Fury
Epic Adventurer
Hidden Blade: Sudden Raid with blades instead of arrows

10. Cannon Shooters
You wish.