Darksteel Ingot. Indestructible is a static ability that means that any permanent that has indestructible cannot be destroyed, and cannot be destroyed as a result of lethal damage.
The less-than symbol (<) represents an inequality in which the number or problem on the left is smaller than that on the right; however, it can be reversed (>) to show that the item on the left is greater than that on the right.
Nonetheless, it does have a definition. It means in spite of. Break this word up to examine its meaning: None-the-less means that the statement you've just made does not diminish or make less what comes next. We are not at all prepared to climb this mountain, nonetheless we are going to try.