Heavy Railgun

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	[Special Active: Strength] Shoot a heavy damage shot forward. The explosion will cause twice as much damage.
	Cannonball Consumption Uses 1 cannonball
	Final Enhanced Skill Remove damage penalty.

Requirements

Class	Level Required
Deadly Chaser	45

Character Level	Damage		Ammo Usage	MP Usage	Cooldown
Character Level	Shell (Physical)	Explosions (Magical)	Ammo Usage	MP Usage	Cooldown
45	1775% → 604%	3043%	1	200 MP	15 Seconds
[Enhanced]	1775%	3043%	1	200 MP	15 Seconds

Critical Heavy Railgun		Evil Heavy Railgun
Attribute Effect	Details	Attribute Effect	Details
Attribute Effect	MP Usage	Attribute Effect	MP Burn
MP Usage increased to 120% Skill will ignore 50% defense (25% defense in PvP)	240 MP	Skill will burn 25 MP per hit	-50~Unlimited MP

Any foes struck by the initial hit will explode and be launched into the air. These secondary explosions damage the target and anything near it, so this skill is most effective against tightly packed groups.
The shot does not travel across the entire map, merely about 3/4 of a screen. It also doesn't follow curved paths, making it highly situational.
The recoil from the shot will push Chung backwards 100 range.
The shell explodes at the end of its range. Hitting with it requires proper spacing; if done correctly, you can get three hits (one shell, two explosions) on a single target.
Critical Heavy Railgun can benefit greatly in Secret Dungeons if the player manages to align a cluster of enemies as all the explosions can hit nearby targets, multiplying the skill's damage while also ignoring defense.
- It is possible to defeat the 4-X boss in one Heavy Railgun by grouping up enough Evolved Alterasia Spores with the boss and then using the skill.

07/28/2011 KR
- Reduced ammo consumption, 3 → 1.
- Decreased damage output.
- Decreased blast radius.
03/29/2012 KR
- Increased damage output.
- Decreased MP consumption, 200 MP → 175 MP.
02/14/2013 KR
- Removed speed decrease from skill note.
- Chung will step back before firing.
06/27/2013 KR
- MP usage changed to 200 MP.
07/10/2014 KR
- Damage increased.
11/06/2014 KR
- Shell damage decreases over time.
08/20/2015 KR
- Moved from Shooting Guardian to Deadly Chaser.
04/21/2016 (KR) / 05/18/2016 (NA)
- Explosion hitbox size increased.
01/25/2017 (KR)
- Damage increased.
04/27/2017 KR
- PvE damage increased.