In Lords Mobile Trap Defense II research increases the defense of all your traps. It is found in the upgrade defenses tree.
There are 10 levels in total and once maxed you will have increased your trap defense by 135%. Combined with trap defense I in the defense tree, you can increase your defense by 270%.
The table below has the resource cost and time to upgrade each level. It also shows the might and rewards granted. You can find out your own research time by using our research calculator.
Trap Defense II Research Requirements
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