Once you defeat Duraludon in the fight, you will get a chance to catch it at level 20. The creature's CP will lie in the following range: 1,674 CP to 1,753 CP at Level 20 (10/10/10 - 15/15/15 IVs) ...
As for the strategy, its straightforward. Tap-tap-tap with your tanks and dodge incoming attacks, especially the large ones, effectively. Don't bother too much with using Charged moves during this ...
Duraludon has yet to be released in its standard form in Pokémon GO, but it will now debut in its Dynamax form in an upcoming event. Additional Candy for successfully catching Pokémon with Nice, Great ...