Getting by robbery attack

Things to get by robbing other Astro Lords
In order to rob an Astro Lord's asteroid, players need to destroy his/her Star Base in the battle.

Then they need to go through a portal that will appear in its place. Players are not required to destroy defending ships.

Once they win, players can get the following:
 * crystals
 * microchips
 * minibots
 * ammunition