Ruin Temple!!

This may be recognized as the 3rd part of Ruin Adventure! Now that Steve's proved he is brave by saving the world, getting in a meteor and destroying Nellis Nether base meteor launcher, he's been promoted, now he's got acces to explore anything he wants and, walking in grassy tundra(grass terrain, but cold weather) he's discovered an old temple in the middle of an old artificial river, in this temple, Steve's gonna need to use his head to get to a "probably" treasure...