Tier 1 land 5 lands - 1 Heath Crystal 10 lands - 2 Heath Crystal's 15 lands - 3 Heath Crystal's 20 lands - 50 aqua/50 inferno 25 lands - 1 furniture key Tier 2 land 5 lands - 1 Heath Crystal 10 lands - 2 Heath Crystal's 15 lands - 3 Heath Crystal's 20 lands - 50 aqua/50 inferno 25 lands - 1 furniture key Repeat till last land but, adjust higher the land unlock. perhaps a upgradable pet at the end, and For those that have unlocked that land already gets reimbursed automatically.