4/19 #5
200W power in the Legend vs 100W in ‘normal’ kit.
#3
Shock resistant?!? Mesh coils!?! Woot! Woot! Not necessarily a difference, but cool nonetheless!
1 Easily accessible USB port for both charging and firmware update
2 One way venting holes in case of battery failure
3 Shock resistant: Legend VS Original Version
4 dual 18650 batteries , longer lifespan
5 IP67 water resistant & dust resistant, great for outdoor activities
I hear/read battery life is now better.
I can’t comment on the difference since I don’t own any of these mods, but I heard good things and would love to find out how good both of them are 
1 All new Super Mesh Sub ohm coils included in the kit
2 Legend body is more rugged constructed with up to 6 materials
3 Wide range of new colors will be released
4 Aegis chip has the top accuracy and stability on both power mode and TC mod
5 dual 18650 batteries , longer lifespan
#1 200W power in the Legend vs 100W in ‘normal’ kit.
#2 The Legend: more rugged constructed with up to 6 materials
#3 Legend is Military grade shockproof
#4 Dual 18650 with As chip set that goes up to 200w
#5 The Legend kit has a new mesh coils
1 All new Super Mesh Sub ohm coils included in the kit.