[Bug] Obsidian Acolyte + Shield of Duty + Thornweald Archer

Using the latest standard version (1.6.21).
I blocked the Thornweald Archer with my Obsidian Acolyte who was enchanted with Shield of Duty and Reason. The Thornweald Archer didn't die.
I blocked the Thornweald Archer with my Obsidian Acolyte who was enchanted with Shield of Duty and Reason. The Thornweald Archer didn't die.