Who gets it: Achaean League

Strategos of Achaia: We have bought Aspis shields to equip our horsemen with them. Any objections?

Achaians:

Strategos: And thus it is decided!

It fires when a settlement held by Achaean League is a huge city or larger.

The game checks this at the end of every round.

1 unit can be recruited once it fires:

Unit	Who can raise it
Aspidophoroi	Free Peoples