Here is a tutorial on the resources that can be used within the Seven Knights 2 game from CM Alice on Official Forum.
Rubies are an important resource that can be used in summoning Heroes, Equipment, and Pets! In addition, you can also use Rubies for expanding your inventory or extra Dungeon entries.
Gold is the most basic resource and can be used in various different ways such as enhancing equipment or crafting items.
Maps come in two different types, the (Regular) Map and the Greater Map, and are required for Field Exploration.
Greater Maps, which can be acquired through Field Exploration, are required to enter certain areas (Central Coastal Snowfield, Lost City Outskirts, and Forest of Ruin)!
These areas are the ones with stars above their icons in the Field Exploration map! Check out which monsters will appear and the rewards you can acquire, and select the Field Exploration suitable for you!
Arena Tokens can be acquired through both Normal and Competitive Arenas!
You can find more details on the rewards through Menu -> Arena -> Normal/Competitive.
These Arena Tokens can be used in the Arena Shop located within the General Shop!
Topaz can be acquired as a Competitive Arena reward!
Similarly to Arena Tokens, you can find more details on the rewards through Menu -> Arena -> Competitive.
Topaz can be used in the Topaz Shop, also located within the General Shop.
Guild Coins can be acquired by logging in to your Guild or completing Guild Achievements.
These Guild Coins can be used in the Guild Shop, found within the General Shop!
You can acquire Soulstone Shards through the Upgrade Dungeon, Soulstone Quarry!
Different grades of Soulstone Shards will be available according to the tier of the Soulstone Quarry.
You can find more details through Menu -> Upgrade Dungeon -> Soulstone Quarry -> Rewards!
These Soulstone Shards can be used to purchase different Soulstones in the Soulstone Shop!
Friendship Points are points that you can give and take with your friends!
Collect Friendship Points with your friends and exchange them for various items in the Friendship Points Shop!
There are also resources that can be used outside the General Shop, such as the Moonstone!
Moonstone can be acquired through the final stage in 4-Player Raids and Daily Dungeons, and are used to summon Legendary+ Boosted Choice Chance Heroes!