world warII: Magic and steel

I woke up to see myself stranded in a battlefield in WW2, and I could decide whether to spend six years of my life surviving a battlefield or find a way to end this war quickly, and enjoy my remaining years as a war vet.
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ps this is all fictional even though it replicates the events that happened on earth. some historical figures could also appear so if this offends you please reconsider before reading. Lastly this will not be an exact replica of what happened in the actual war, some situations will be dramatized whiles new scenarios will also be made.