def boost and armor ll

what is the difference between those two? and which is better for scythe? def boost or armor II?

[Koenaj]

Armor-II activates at the beginning of the match, DEF Boost activates every time it switches into battle.
DEF Boost will be better if you often switch back and forth.
For maps - Armor-II
Ladder - Armor-II
PvP - DEF Boost

Armor-II activates at the beginning of the match, DEF Boost activates every time it switches into battle.
DEF Boost will be better if you often switch back and forth.
For maps - Armor-II
Ladder - Armor-II
PvP - DEF Boost

thanks koenaj