How to Unlock Painting in Heartopia

Brushstroke Whimsy is a guide that teaches you the basics of painting and drawing in Heartopia. It walks you through how to start and finish the Brushstroke Whimsy quest, allowing you to begin creating your own artwork.






![The band structures of a magnetized square lattice reveal that incorporating optimal site renormalization parameters [latex]\lambda_{j,s}[/latex] significantly alters electronic behavior, distinguishing weakly correlated systems ([latex]U=1t[/latex]) from their strongly correlated counterparts ([latex]U=5t[/latex]).](https://arxiv.org/html/2601.16453v1/figures/_supp_lambdas.png)
