Appearance/discussion of Academy units.

Hedgehog in the Fog might not be aesthetically pleasing, but in practice, it's like having a genie in a mausoleum (8))). And if you upgrade it, you'll really run out of money. So, it's not entirely clear what to do with the genie. Theoretically, you could take two squads of one genie each with you to harass the enemy, but building genies requires such valuable gems... (8)