Inthisreviewpaper,weintroduceaself-phasecontrolledstimulatedBrillouinscatteringphaseconjugatemirror(SCSBS-PCM)andtheKumganglaser.TheSC-SBS-PCMwasproposedanddemonstrateditssuccessattheacademiclowpowerlevel,~100mJ@10Hz.TheKumganglaserisunderdevelopmenttoverifywhethertheSC-SBS-PCMisoperableatthekWlevel.Itisa4kWbeamcombinationlasercombiningfour1kWbeamsusingtheSC-SBS-PCM.IftheKumganglaserfunctionssuccessfully,itwillbethemostimportantsteptowardsaDreamlaser,ahypotheticallaserwithunlimitedpowerandahighrepetitionrate.