Originally Posted by Wutan

Exactly. Many People forget about Speed Versatiliy. It's n1 to have such a unit to adjust other Squads for specific Event Maps etc.

And Alpinia works really well in Atk Debuff Squads and Skill Activation Squads

Atk Debuff Squad = more rounds to trigger her Life Leech Attack.
Skill Activation Squad = She Triggers her Life Leech Attack more often.

It's that simple

Kerria does that too :^)
She has no speed but an extra 35% atk power to make that lifesteal count.