Chemical elements in the form of [X/Fe] plotted against iron ([Fe/H]). Grey points represent stars already published in Ripepi et al. (2021); Trentin et al. (2023, 2024). Stars observed with UVES and published in Trentin et al. (2023, 2024) are coloured in yellow and red, respectively. New stars presented in this paper are coloured in blue, magenta, and green for PEPSI, HARPS, and UVES observations, respectively (see also the legend in 6). Vertical and horizontal dashed grey lines highlight the solar abundance position in the plot.