In case anyone is interested, Katipo bites are extremely uncommon. 2 deaths ever and 1 bite recorded from 1951 to 2012.
> Hornabrook, in his 1951 review of the early literature on katipo spider bites, found a total of 22 cases, including 2 deaths. Since 1951, there has been only one reported case of a katipo bite, involving severe myocarditis in a 22-year-old man, despite katipo spiders inhabiting coastal beach dunes around New Zealand.
[1] https://sciblogs.co.nz/griffins-gadgets/2012/03/09/bitten-by...