This is the strategy used in Kragnir's WR.

Speed through tutorial (auto on) Auto past level 5 second pass Buy stools 4/5 swords and 1-2 shields Immediately leave Refresh for 5 Auto to 205 gold Upgrade armory and buy 5 armor, 5 iron swords and max iron shields Auto to 475 gold Buy 5 Heal Stones Buy 1 Iron Shield Buy Wizard Buy Tables Refresh and Wizard to 11 Auto off to heal if around 13 Auto to 23, healing <13 (908 gold needed) (20 Boss does approx. 16 damage) Buy Dungeon Mist, Tables, Stools and Beds Hire 5 Conscripts Auto to 37, never auto off (1.5k gold needed) Sell all items beyond 5 of each (keep ALL HEAL STONES) Buy Grapp. Grape Prioritize hiring max Fighters, may need 1-2 Conscripts Auto off on 34, Spam Kick on Mid Boss and heal when necessary, otherwise just kick or slash Spam Kick 38-39, Spam Kick Boss Normal slash strats through 45 with auto off, Spam Kick Mid Boss and quit around 46-47 Buy until 5 Turtle Shields. Hire fighters. Auto off, kicking when needed. Spam kick Mid Boss Heal when needed. Spam kick 49 until only 1 guy left Spam kick one Siren at a time on 50 Auto off to 56 and quit Buy 5 flame swords, Tables, Stools, Décor Hire max Fighters, Spam kicking Mid Boss Two kicks one slash for first two on 58, all on 59 Heal strategically around last enemy on 59 Spam kick 60 boss Quit at 64 Buy Cherry Charm, 5 Conjurers Bolt Storm on all triples unless you need to heal, in which do so strategically Hope for warp past 70 boss, otherwise just heal strategically and hit Quit at level 74, buy 5 Ashen Armor after selling stuff past 5, hire max conjurers and go Bolt Storm all doubles, triples, etc You essentially need a warp past 80, quit and re-enter if you don’t get one at/before level 78 Quit after first double in 80s, rehire conjurers and go Bolt Storm all doubles+ Heal when below 45 Will need luck to beat the 90 boss, don’t be surprised if most really good attempts die here, it’s the nature of the game. Buy 5 Hero Sword, 5 Frost Gem, 5 Frost Shield Sell Demon Shields Bolt Storm all Doubles+ CLICK LIKE YOU’VE NEVER CLICKED BEFORE ON BOSS Congratulations!