A1: Water temple is a tricky stage,(always refer to your map) at the second level of the water temple you will see a water fall like structure underneath there is a lever.. don't turn the lever..go to the top level instead and there you will see a block, push that block to the water pathway near to it..(you will know if your at the top level if there is a screen wall structure there).. check your map and locate the save point at the lower level, trace your path as you approach the save point ..before its flooded with water and you cant cross over.. now you can go down and cross at the other side..  now prepare yourself to face the boss.. don't forget always save your game..