So we have 4 incredibly interesting confirmations:
1) Harald worked for the government
2) Loki killed him and is wrongfully blamed
3) Walrus school is the target, which is where Robin and Co. are
4) A seal/symbol is needed to travel in the circles, so there will 100% be a key retrieval style subplot to get one of those seals so that they can use the circles
1) Harald worked for the government
2) Loki killed him and is wrongfully blamed
3) Walrus school is the target, which is where Robin and Co. are
4) A seal/symbol is needed to travel in the circles, so there will 100% be a key retrieval style subplot to get one of those seals so that they can use the circles