Druid codexes require mithril boulders to create. That's fine if you have it on your map, but traders and elves usually bring more refined mithril products. Sorcerer, frostskald, and oracle codexes are much easier to create for mid-game players, using mostly bars that are common smelted/recycled/traded for.
The druid codex also requires saplings, which require trading or tree-farms, meaning a player who remembers to bring acorns will have an easy time, and a player who forgets will have a hard time. I'm tempted to replace this with requiring logs, since one refines saplings into wood anyway.
Blood may be a possible thematic reagent to add, while not being too hard to obtain.
Druid codexes require mithril boulders to create. That's fine if you have it on your map, but traders and elves usually bring more refined mithril products. Sorcerer, frostskald, and oracle codexes are much easier to create for mid-game players, using mostly bars that are common smelted/recycled/traded for.
The druid codex also requires saplings, which require trading or tree-farms, meaning a player who remembers to bring acorns will have an easy time, and a player who forgets will have a hard time. I'm tempted to replace this with requiring logs, since one refines saplings into wood anyway.
Blood may be a possible thematic reagent to add, while not being too hard to obtain.