Sonic Frontiers

Sonic Frontiers

40 Achievements

1,000

20-25h

Xbox One
Xbox Series
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Expert Historian

Expert Historian

Viewed all Side Stories.

30

5.73%

How to unlock the Expert Historian achievement in Sonic Frontiers - Definitive Guide

With any of the side mission achievements, make sure to check the tabs on the map screen. Press RB and go to Side Stories and check the map for any characters you may have missed.

In order to go to other previously explored islands, simply go to the map screen again and press Y to choose which one you want to go to.

Easily the best way to get memory tokens is to go fish with Big, preferably on the last island to get A TON of coins to trade in. You can also utilize fishing again for maxing your stats as well. Hope this helps!
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18 Nov 2022 05:24

Side stories are small events that reveal more background lore about the Starfall Islands and the Ancients who once lived there. They are marked on the map by the character icons (the icon for Amy/Knuckles/Tails/Sage) and can only be viewed after collecting enough memory tokens. After completing an island, you should almost have enough memory tokens to view all of the remaining events (Depending on the island you could need about 20-30 extra). If you don't want to explore for them, you can trade fish tokens for memory tokens with Big the Cat. This trophy can be easily done after completing all challenges since this will reveal all of the map and allow you to easily find and mark the side stories. After viewing all side stories on an island, you will receive the associated trophy. You will receive this trophy once you have viewed all side stories in the game.
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Note: don't bother attempting to view all side stories until you progress to the end of the game. Many side stories with Sage aren't available until you've progressed far enough.

Side stories are simply little conversations with characters on each island. To see which ones are left, pull up your map and then press rb.png to filter "Side Stories" (note that on Ouranos Island, it just says "Sage" instead of Side Stories). You'll see some marked on your map that you can mark and head to. Talk to the character then, and repeat for each one on your map to unlock these achievements. It's pretty much as simple as that! 

The only other aspect of these achievements is that you need enough memory tokens in each island to be able to talk to each character. However, my experience was that having enough memory tokens to complete the story on that Island was also enough to access all side stories. The only exception was Ares Island where, despite having over 250 memory tokens, which is just insane, I still needed more. If you need more in any Island, fast travel to the fishing portal, head in (fish for tokens if need be) and buy as many memory tokens as you can. That'll help a lot, but if you still need more, unfortunately all you can do is either collect them on the map or hope to find them in treasure spots. 
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