This is the most popular way to create a moving tsunami without buying anything. You will need two command blocks and an Armor Stand to act as the "anchor" for the wave. Get a Command Block : Open chat and type /give @p command_block Set up the Teleport Command : Place the first command block and set it to Always Active execute @e[type=armor_stand] ~ ~ ~ tp ~ ~ ~ -1 determines the speed and direction. Change to or different coordinates to move it elsewhere) Set up the Water Fill Command : Place a second command block nearby, also on Always Active
Unlike Java Edition, due to the closed engine. You won’t get a giant, moving wall of water that destroys blocks dynamically. Instead, you can simulate a tsunami using: tsunami mod minecraft bedrock work
: A second fill command generates water blocks around that entity as it moves (e.g., /execute @e[type=armor_stand] ~ ~ ~ fill ~-30 ~-10 ~-30 ~30 ~10 ~30 water ). This is the most popular way to create