Magic Amplification (Passive)

Permanently increases the MP cost and also the Magic Attack of one's magic abilities.
LV15: 150% MP Price, 150% Magic Attack.

MapleStory Evan Fire Breath Fire Breath (Active)
Attack 8 enemies 1 time and has a chance to stun them.
LV20: 40 MP, 700% Harm, 30% chance to stun for 5 sec.

MapleStory Evan Killer Wings Killer Wings (Active)
Brands an enemy with a Dragon seal. Your following attacks concentrate on that enemy, and the enemy takes damage as time passes.
LV10: 35 MP, 500% Harm, DoT 90% for six sec.

MapleStory Evan Magic Resistance Magic Resistance (Supportive)
Temporarily increases the magic resistance and Magic DEF for all celebration members nearby.
LV10: 36 MP, +20% Magic Resistance, +100 Magic Defense for 150 sec.

MapleStory Dragon Spark Dragon Spark (Passive)
Grants a chance to deal additional damage following an attack.
LV10: 40% opportunity to deal 200% extra harm.

Evan 7th Development Skill Build: Every thing maxed except Fire Breath.
1. Add 1 SP into Fire Breath.
2. Max Magic Amplification, Dragon Spark.
3. Cap Fire Breath at Level 15.
four. Max Killer Wings and Magic Resistance.
five. Dump remaining SP into Fire Breath.

Study more info and details at maplestory evan guide.