If it helps, the Enchanted Forest is... well, it's not necessarily kind, but it's not a malicious place, especially to people who aren't trying to harm it. If he's specially magically vulnerable, it wouldn't necessarily go easy on him, but it's entirely possible that it might (to whatever extent it can, which may be limited but I leave it to your interpretation of how a forest's specific magic works with the Green stuff), especially within its own borders.
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If it helps, the Enchanted Forest is... well, it's not necessarily kind, but it's not a malicious place, especially to people who aren't trying to harm it. If he's specially magically vulnerable, it wouldn't necessarily go easy on him, but it's entirely possible that it might (to whatever extent it can, which may be limited but I leave it to your interpretation of how a forest's specific magic works with the Green stuff), especially within its own borders.