In Lords Mobile Trap Durability II research increases the health points 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 HP by 135%. You need to have researched the equivalent level of Trap Durability I in the defense tree before you can unlock each ability.
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 Durability II Research Requirements
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